30181347

素因数分解:

$3^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{839}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 49969920

約数和(自身を除く): 19788573

約数列:

[1, 3, 7, 9, 21, 63, 571, 839, 1713, 2517, 3997, 5139, 5873, 7551, 11991, 17619, 35973, 52857, 479069, 1437207, 3353483, 4311621, 10060449, 30181347]

約数ペア:

[(1, 30181347), (3, 10060449), (7, 4311621), (9, 3353483), (21, 1437207), (63, 479069), (571, 52857), (839, 35973), (1713, 17619), (2517, 11991), (3997, 7551), (5139, 5873)]