61289457

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{18899}}^1$

素因数の和:18972

約数の個数: 16

約数和(自身を含む): 87091200

約数和(自身を除く): 25801743

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 18899, 56697, 434677, 888253, 1304031, 2664759, 20429819, 61289457]

約数ペア:

[(1, 61289457), (3, 20429819), (23, 2664759), (47, 1304031), (69, 888253), (141, 434677), (1081, 56697), (3243, 18899)]