7778727

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{2381}}^1$

素因数の和:2412

約数の個数: 24

約数和(自身を含む): 12672240

約数和(自身を除く): 4893513

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 2381, 3267, 7143, 21429, 26191, 64287, 78573, 235719, 288101, 707157, 864303, 2592909, 7778727]

約数ペア:

[(1, 7778727), (3, 2592909), (9, 864303), (11, 707157), (27, 288101), (33, 235719), (99, 78573), (121, 64287), (297, 26191), (363, 21429), (1089, 7143), (2381, 3267)]