15390207

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1279}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 25559040

約数和(自身を除く): 10168833

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1279, 1337, 1719, 3837, 4011, 8953, 11511, 12033, 26859, 80577, 244289, 732867, 1710023, 2198601, 5130069, 15390207]

約数ペア:

[(1, 15390207), (3, 5130069), (7, 2198601), (9, 1710023), (21, 732867), (63, 244289), (191, 80577), (573, 26859), (1279, 12033), (1337, 11511), (1719, 8953), (3837, 4011)]