256230621

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{6469}}^1$

素因数の和:6647

約数の個数: 24

約数和(自身を含む): 386233120

約数和(自身を除く): 130002499

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 1467, 4401, 6469, 13203, 19407, 39609, 58221, 174663, 523989, 1054447, 1571967, 3163341, 9490023, 28470069, 85410207, 256230621]

約数ペア:

[(1, 256230621), (3, 85410207), (9, 28470069), (27, 9490023), (81, 3163341), (163, 1571967), (243, 1054447), (489, 523989), (1467, 174663), (4401, 58221), (6469, 39609), (13203, 19407)]