87125717

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{1291}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 103194624

約数和(自身を除く): 16068907

約数列:

[1, 7, 31, 217, 311, 1291, 2177, 9037, 9641, 40021, 67487, 280147, 401501, 2810507, 12446531, 87125717]

約数ペア:

[(1, 87125717), (7, 12446531), (31, 2810507), (217, 401501), (311, 280147), (1291, 67487), (2177, 40021), (9037, 9641)]