211307161

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{1487}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 241484544

約数和(自身を除く): 30177383

約数列:

[1, 13, 17, 221, 643, 1487, 8359, 10931, 19331, 25279, 142103, 328627, 956141, 12429833, 16254397, 211307161]

約数ペア:

[(1, 211307161), (13, 16254397), (17, 12429833), (221, 956141), (643, 328627), (1487, 142103), (8359, 25279), (10931, 19331)]