8135721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 13869504

約数和(自身を除く): 5733783

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 81, 99, 207, 253, 297, 397, 621, 759, 891, 1191, 1863, 2277, 3573, 4367, 6831, 9131, 10719, 13101, 20493, 27393, 32157, 39303, 82179, 100441, 117909, 246537, 301323, 353727, 739611, 903969, 2711907, 8135721]

約数ペア:

[(1, 8135721), (3, 2711907), (9, 903969), (11, 739611), (23, 353727), (27, 301323), (33, 246537), (69, 117909), (81, 100441), (99, 82179), (207, 39303), (253, 32157), (297, 27393), (397, 20493), (621, 13101), (759, 10719), (891, 9131), (1191, 6831), (1863, 4367), (2277, 3573)]