3218859

素因数分解:

$3^4\times 7^2\times {\mathrm{811}}^1$

素因数の和:837

約数の個数: 30

約数和(自身を含む): 5600364

約数和(自身を除く): 2381505

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 811, 1323, 2433, 3969, 5677, 7299, 17031, 21897, 39739, 51093, 65691, 119217, 153279, 357651, 459837, 1072953, 3218859]

約数ペア:

[(1, 3218859), (3, 1072953), (7, 459837), (9, 357651), (21, 153279), (27, 119217), (49, 65691), (63, 51093), (81, 39739), (147, 21897), (189, 17031), (441, 7299), (567, 5677), (811, 3969), (1323, 2433)]