31731271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 20

約数和(自身を含む): 37871784

約数和(自身を除く): 6140513

約数列:

[1, 11, 13, 101, 143, 169, 1111, 1313, 1859, 2197, 14443, 17069, 24167, 28561, 187759, 221897, 314171, 2440867, 2884661, 31731271]

約数ペア:

[(1, 31731271), (11, 2884661), (13, 2440867), (101, 314171), (143, 221897), (169, 187759), (1111, 28561), (1313, 24167), (1859, 17069), (2197, 14443)]