256251087

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{68279}}^1$

素因数の和:68427

約数の個数: 16

約数和(自身を含む): 382368000

約数和(自身を除く): 126116913

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 68279, 204837, 614511, 1843533, 9490781, 28472343, 85417029, 256251087]

約数ペア:

[(1, 256251087), (3, 85417029), (9, 28472343), (27, 9490781), (139, 1843533), (417, 614511), (1251, 204837), (3753, 68279)]