221051311

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1\times {\mathrm{827}}^1$

素因数の和:1578

約数の個数: 16

約数和(自身を含む): 246909600

約数和(自身を除く): 25858289

約数列:

[1, 13, 29, 377, 709, 827, 9217, 10751, 20561, 23983, 267293, 311779, 586343, 7622459, 17003947, 221051311]

約数ペア:

[(1, 221051311), (13, 17003947), (29, 7622459), (377, 586343), (709, 311779), (827, 267293), (9217, 23983), (10751, 20561)]