Let τ be the divisor function. Show by any means that τ (n) is odd if and only if n is a perfect square.
Let τ be the divisor function. Show by any means that τ (n) is odd if and only if n is a perfect square.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 64E
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Let τ be the divisor function. Show by any means that τ (n) is odd if and only if n is a perfect square.
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