2611749

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 4113120

約数和(自身を除く): 1501371

約数列:

[1, 3, 7, 21, 49, 109, 147, 163, 327, 489, 763, 1141, 2289, 3423, 5341, 7987, 16023, 17767, 23961, 53301, 124369, 373107, 870583, 2611749]

約数ペア:

[(1, 2611749), (3, 870583), (7, 373107), (21, 124369), (49, 53301), (109, 23961), (147, 17767), (163, 16023), (327, 7987), (489, 5341), (763, 3423), (1141, 2289)]