428436621

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{63727}}^1$

素因数の和:63822

約数の個数: 20

約数和(自身を含む): 647731392

約数和(自身を除く): 219294771

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 6723, 63727, 191181, 573543, 1720629, 5161887, 5289341, 15868023, 47604069, 142812207, 428436621]

約数ペア:

[(1, 428436621), (3, 142812207), (9, 47604069), (27, 15868023), (81, 5289341), (83, 5161887), (249, 1720629), (747, 573543), (2241, 191181), (6723, 63727)]