68908021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44543}}^1$

素因数の和:44580

約数の個数: 16

約数和(自身を含む): 89800704

約数和(自身を除く): 20892683

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 44543, 311801, 579059, 757231, 4053413, 5300617, 9844003, 68908021]

約数ペア:

[(1, 68908021), (7, 9844003), (13, 5300617), (17, 4053413), (91, 757231), (119, 579059), (221, 311801), (1547, 44543)]