201668778891

素因数分解:

$3^4\times {\mathrm{409}}^1\times {\mathrm{1301}}^1\times {\mathrm{4679}}^1$

素因数の和:6401

約数の個数: 40

約数和(自身を含む): 302291589600

約数和(自身を除く): 100622810709

約数列:

[1, 3, 9, 27, 81, 409, 1227, 1301, 3681, 3903, 4679, 11043, 11709, 14037, 33129, 35127, 42111, 105381, 126333, 378999, 532109, 1596327, 1913711, 4788981, 5741133, 6087379, 14366943, 17223399, 18262137, 43100829, 51670197, 54786411, 155010591, 164359233, 493077699, 2489738011, 7469214033, 22407642099, 67222926297, 201668778891]

約数ペア:

[(1, 201668778891), (3, 67222926297), (9, 22407642099), (27, 7469214033), (81, 2489738011), (409, 493077699), (1227, 164359233), (1301, 155010591), (3681, 54786411), (3903, 51670197), (4679, 43100829), (11043, 18262137), (11709, 17223399), (14037, 14366943), (33129, 6087379), (35127, 5741133), (42111, 4788981), (105381, 1913711), (126333, 1596327), (378999, 532109)]