139905855

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43789}}^1$

素因数の和:43871

約数の個数: 24

約数和(自身を含む): 245924640

約数和(自身を除く): 106018785

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 43789, 131367, 218945, 394101, 656835, 1970505, 3109019, 9327057, 15545095, 27981171, 46635285, 139905855]

約数ペア:

[(1, 139905855), (3, 46635285), (5, 27981171), (9, 15545095), (15, 9327057), (45, 3109019), (71, 1970505), (213, 656835), (355, 394101), (639, 218945), (1065, 131367), (3195, 43789)]