139407541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{80629}}^1$

素因数の和:80668

約数の個数: 16

約数和(自身を含む): 180611200

約数和(自身を除く): 41203659

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 80629, 564403, 1048177, 1531951, 7337239, 10723657, 19915363, 139407541]

約数ペア:

[(1, 139407541), (7, 19915363), (13, 10723657), (19, 7337239), (91, 1531951), (133, 1048177), (247, 564403), (1729, 80629)]