9888249

素因数分解:

$3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 15480288

約数和(自身を除く): 5592039

約数列:

[1, 3, 7, 21, 49, 137, 147, 411, 491, 959, 1473, 2877, 3437, 6713, 10311, 20139, 24059, 67267, 72177, 201801, 470869, 1412607, 3296083, 9888249]

約数ペア:

[(1, 9888249), (3, 3296083), (7, 1412607), (21, 470869), (49, 201801), (137, 72177), (147, 67267), (411, 24059), (491, 20139), (959, 10311), (1473, 6713), (2877, 3437)]