139639581

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{6967}}^1$

素因数の和:7121

約数の個数: 24

約数和(自身を含む): 215227584

約数和(自身を除く): 75588003

約数列:

[1, 3, 9, 17, 51, 131, 153, 393, 1179, 2227, 6681, 6967, 20043, 20901, 62703, 118439, 355317, 912677, 1065951, 2738031, 8214093, 15515509, 46546527, 139639581]

約数ペア:

[(1, 139639581), (3, 46546527), (9, 15515509), (17, 8214093), (51, 2738031), (131, 1065951), (153, 912677), (393, 355317), (1179, 118439), (2227, 62703), (6681, 20901), (6967, 20043)]