12920607

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 22080000

約数和(自身を除く): 9159393

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 499, 959, 1233, 1497, 2877, 3493, 3699, 4491, 8631, 10479, 13473, 25893, 31437, 68363, 94311, 205089, 478541, 615267, 1435623, 1845801, 4306869, 12920607]

約数ペア:

[(1, 12920607), (3, 4306869), (7, 1845801), (9, 1435623), (21, 615267), (27, 478541), (63, 205089), (137, 94311), (189, 68363), (411, 31437), (499, 25893), (959, 13473), (1233, 10479), (1497, 8631), (2877, 4491), (3493, 3699)]