13612781

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 17357184

約数和(自身を除く): 3744403

約数列:

[1, 7, 13, 37, 91, 169, 259, 311, 481, 1183, 2177, 3367, 4043, 6253, 11507, 28301, 43771, 52559, 80549, 149591, 367913, 1047137, 1944683, 13612781]

約数ペア:

[(1, 13612781), (7, 1944683), (13, 1047137), (37, 367913), (91, 149591), (169, 80549), (259, 52559), (311, 43771), (481, 28301), (1183, 11507), (2177, 6253), (3367, 4043)]