426978027

素因数分解:

$3^3\times 7^1\times {\mathrm{2259143}}^1$

素因数の和:2259159

約数の個数: 16

約数和(自身を含む): 722926080

約数和(自身を除く): 295948053

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2259143, 6777429, 15814001, 20332287, 47442003, 60996861, 142326009, 426978027]

約数ペア:

[(1, 426978027), (3, 142326009), (7, 60996861), (9, 47442003), (21, 20332287), (27, 15814001), (63, 6777429), (189, 2259143)]