218368311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{5021}}^1$

素因数の和:5159

約数の個数: 32

約数和(自身を含む): 353548800

約数和(自身を除く): 135180489

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 2071, 2289, 5021, 6213, 14497, 15063, 35147, 43491, 95399, 105441, 286197, 547289, 667793, 1641867, 2003379, 3831023, 10398491, 11493069, 31195473, 72789437, 218368311]

約数ペア:

[(1, 218368311), (3, 72789437), (7, 31195473), (19, 11493069), (21, 10398491), (57, 3831023), (109, 2003379), (133, 1641867), (327, 667793), (399, 547289), (763, 286197), (2071, 105441), (2289, 95399), (5021, 43491), (6213, 35147), (14497, 15063)]