54780039

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{43789}}^1$

素因数の和:43934

約数の個数: 12

約数和(自身を含む): 79697800

約数和(自身を除く): 24917761

約数列:

[1, 3, 9, 139, 417, 1251, 43789, 131367, 394101, 6086671, 18260013, 54780039]

約数ペア:

[(1, 54780039), (3, 18260013), (9, 6086671), (139, 394101), (417, 131367), (1251, 43789)]