311485527

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{5171}}^1$

素因数の和:5300

約数の個数: 32

約数和(自身を含む): 486581760

約数和(自身を除く): 175096233

約数列:

[1, 3, 9, 23, 27, 69, 97, 207, 291, 621, 873, 2231, 2619, 5171, 6693, 15513, 20079, 46539, 60237, 118933, 139617, 356799, 501587, 1070397, 1504761, 3211191, 4514283, 11536501, 13542849, 34609503, 103828509, 311485527]

約数ペア:

[(1, 311485527), (3, 103828509), (9, 34609503), (23, 13542849), (27, 11536501), (69, 4514283), (97, 3211191), (207, 1504761), (291, 1070397), (621, 501587), (873, 356799), (2231, 139617), (2619, 118933), (5171, 60237), (6693, 46539), (15513, 20079)]