Linked from

The 12 pages that link to Multiplicative function, each with the reason it gives.

• Dirichlet L-functionRelated: Character multiplicativity is what permits the prime-indexed Euler product.

• Dirichlet seriesRelated: Multiplicative coefficients often produce especially structured Dirichlet series.

• Aliquot sumRelated: The sum-of-divisors function is multiplicative, enabling calculations from prime powers.