215874507

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{5333}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 292900608

約数和(自身を除く): 77026101

約数列:

[1, 3, 103, 131, 309, 393, 5333, 13493, 15999, 40479, 549299, 698623, 1647897, 2095869, 71958169, 215874507]

約数ペア:

[(1, 215874507), (3, 71958169), (103, 2095869), (131, 1647897), (309, 698623), (393, 549299), (5333, 40479), (13493, 15999)]