16681851

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 24897600

約数和(自身を除く): 8215749

約数列:

[1, 3, 9, 47, 113, 141, 339, 349, 423, 1017, 1047, 3141, 5311, 15933, 16403, 39437, 47799, 49209, 118311, 147627, 354933, 1853539, 5560617, 16681851]

約数ペア:

[(1, 16681851), (3, 5560617), (9, 1853539), (47, 354933), (113, 147627), (141, 118311), (339, 49209), (349, 47799), (423, 39437), (1017, 16403), (1047, 15933), (3141, 5311)]