201521485

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{215531}}^1$

素因数の和:215564

約数の個数: 16

約数和(自身を含む): 279329472

約数和(自身を除く): 77807987

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 215531, 1077655, 2370841, 3664027, 11854205, 18320135, 40304297, 201521485]

約数ペア:

[(1, 201521485), (5, 40304297), (11, 18320135), (17, 11854205), (55, 3664027), (85, 2370841), (187, 1077655), (935, 215531)]