239702968239

素因数分解:

$3^1\times 7^4\times {\mathrm{33278213}}^1$

素因数の和:33278244

約数の個数: 20

約数和(自身を含む): 372849109656

約数和(自身を除く): 133146141417

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 33278213, 99834639, 232947491, 698842473, 1630632437, 4891897311, 11414427059, 34243281177, 79900989413, 239702968239]

約数ペア:

[(1, 239702968239), (3, 79900989413), (7, 34243281177), (21, 11414427059), (49, 4891897311), (147, 1630632437), (343, 698842473), (1029, 232947491), (2401, 99834639), (7203, 33278213)]