| Properties of Some Kind of Number Theoretical Function（Ⅱ） |
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| 作者姓名： | 李怡君 刘华柯 |
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| 作者单位： | [1]College of Mathematics and Information Sciences, Henan University, Kaifeng 475004, China [2]School of Mathematics and Information Sciences, Shaanxi Normal University, Xi＇an 710062, China |
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| 基金项目： | Supported by the National Natural Science Foundation of China（10671056） |
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| 摘 要： | ![]()
For any given positive integer n ≥ 1, the Euler function φ（n） is defined to be the number of positive integers not exceeding n, which is relatively prime to n. o：（n） is defined to be the number of different prime divisors of n. In order to know the solvability of the function of φ（φ（φ（n））） = 2^ω（n）, properties of the number theoretical function φ（φ（n）） is studied in the paper.
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| 关 键 词： | 数论函数 欧拉函数 数论 解法 |
| 文章编号： | 1002-0462（2007）03-0402-04 |
| 收稿时间： | 2006-10-08 |
| 修稿时间： | 2006-10-08 |
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