Arithmetic properties of the Ramanujan function |
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Authors: | Florian Luca Igor E Shparlinski |
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Institution: | (1) Instituto de Matemáticas, Universidad Nacional Autónoma de México, C.P. 58089 Morelia, Michoacán, México;(2) Department of Computing, Macquarie University, 2109 Sydney, NSW, Australia |
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Abstract: | We study some arithmetic properties of the Ramanujan function τ(n), such as the largest prime divisorP (τ(n)) and the number of distinct prime divisors ω (τ (n)) of τ(n) for various sequences ofn. In particular, we show thatP(τ(n)) ≥ (logn)33/31+o(1) for infinitely many n, and for every primep with τ(ρ) ≠ 0.
Dedicated to T N Shorey on his sixtieth birthday |
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Keywords: | Ramanujan τ -function applications ofS-unit equations |
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