218177571

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{11351}}^1$

素因数の和:11546

約数の個数: 16

約数和(自身を含む): 299692800

約数和(自身を除く): 81515229

約数列:

[1, 3, 43, 129, 149, 447, 6407, 11351, 19221, 34053, 488093, 1464279, 1691299, 5073897, 72725857, 218177571]

約数ペア:

[(1, 218177571), (3, 72725857), (43, 5073897), (129, 1691299), (149, 1464279), (447, 488093), (6407, 34053), (11351, 19221)]