212641521

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{52543}}^1$

素因数の和:52636

約数の個数: 16

約数和(自身を含む): 302653440

約数和(自身を除く): 90011919

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 52543, 157629, 998317, 2994951, 3730553, 11191659, 70880507, 212641521]

約数ペア:

[(1, 212641521), (3, 70880507), (19, 11191659), (57, 3730553), (71, 2994951), (213, 998317), (1349, 157629), (4047, 52543)]