257522031

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{56437}}^1$

素因数の和:56472

約数の個数: 24

約数和(自身を含む): 413126160

約数和(自身を除く): 155604129

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4563, 56437, 169311, 507933, 733681, 1523799, 2201043, 6603129, 9537853, 19809387, 28613559, 85840677, 257522031]

約数ペア:

[(1, 257522031), (3, 85840677), (9, 28613559), (13, 19809387), (27, 9537853), (39, 6603129), (117, 2201043), (169, 1523799), (351, 733681), (507, 507933), (1521, 169311), (4563, 56437)]