217910641

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{1201}}^1$

素因数の和:2052

約数の個数: 16

約数和(自身を含む): 248987088

約数和(自身を除く): 31076447

約数列:

[1, 13, 17, 221, 821, 1201, 10673, 13957, 15613, 20417, 181441, 265421, 986021, 12818273, 16762357, 217910641]

約数ペア:

[(1, 217910641), (13, 16762357), (17, 12818273), (221, 986021), (821, 265421), (1201, 181441), (10673, 20417), (13957, 15613)]