13980421

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2293}}^1$

素因数の和:2380

約数の個数: 16

約数和(自身を含む): 17471104

約数和(自身を除く): 3490683

約数列:

[1, 7, 13, 67, 91, 469, 871, 2293, 6097, 16051, 29809, 153631, 208663, 1075417, 1997203, 13980421]

約数ペア:

[(1, 13980421), (7, 1997203), (13, 1075417), (67, 208663), (91, 153631), (469, 29809), (871, 16051), (2293, 6097)]