139640367

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{18701}}^1$

素因数の和:18854

約数の個数: 16

約数和(自身を含む): 197493120

約数和(自身を除く): 57852753

約数列:

[1, 3, 19, 57, 131, 393, 2489, 7467, 18701, 56103, 355319, 1065957, 2449831, 7349493, 46546789, 139640367]

約数ペア:

[(1, 139640367), (3, 46546789), (19, 7349493), (57, 2449831), (131, 1065957), (393, 355319), (2489, 56103), (7467, 18701)]