28456353

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{4447}}^1$

素因数の和:4538

約数の個数: 20

約数和(自身を含む): 43056640

約数和(自身を除く): 14600287

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 4447, 6399, 13341, 40023, 120069, 351313, 360207, 1053939, 3161817, 9485451, 28456353]

約数ペア:

[(1, 28456353), (3, 9485451), (9, 3161817), (27, 1053939), (79, 360207), (81, 351313), (237, 120069), (711, 40023), (2133, 13341), (4447, 6399)]