25901997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 40128000

約数和(自身を除く): 14226003

約数列:

[1, 3, 11, 19, 33, 57, 109, 209, 327, 379, 627, 1137, 1199, 2071, 3597, 4169, 6213, 7201, 12507, 21603, 22781, 41311, 68343, 79211, 123933, 237633, 454421, 784909, 1363263, 2354727, 8633999, 25901997]

約数ペア:

[(1, 25901997), (3, 8633999), (11, 2354727), (19, 1363263), (33, 784909), (57, 454421), (109, 237633), (209, 123933), (327, 79211), (379, 68343), (627, 41311), (1137, 22781), (1199, 21603), (2071, 12507), (3597, 7201), (4169, 6213)]