olymmath

BALTIC-WAY 2020 Problem 19

    Denote by d(n)d(n) the number of positive divisors of a positive integer nn. Prove that there are infinitely many positive integers nn such that ∣3⋅d(n)∣|\sqrt{3} \cdot d(n)| divides nn.

    Dataset text NuminaMath olympiads. Quoted with source.

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