15393957

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2539}}^1$

素因数の和:2632

約数の個数: 16

約数和(自身を含む): 21457920

約数和(自身を除く): 6063963

約数列:

[1, 3, 43, 47, 129, 141, 2021, 2539, 6063, 7617, 109177, 119333, 327531, 357999, 5131319, 15393957]

約数ペア:

[(1, 15393957), (3, 5131319), (43, 357999), (47, 327531), (129, 119333), (141, 109177), (2021, 7617), (2539, 6063)]