220154529

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{10909}}^1$

素因数の和:10981

約数の個数: 24

約数和(自身を含む): 346676160

約数和(自身を除く): 126521631

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 961, 2883, 6727, 10909, 20181, 32727, 76363, 229089, 338179, 1014537, 2367253, 7101759, 10483549, 31450647, 73384843, 220154529]

約数ペア:

[(1, 220154529), (3, 73384843), (7, 31450647), (21, 10483549), (31, 7101759), (93, 2367253), (217, 1014537), (651, 338179), (961, 229089), (2883, 76363), (6727, 32727), (10909, 20181)]