2620845

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 4586400

約数和(自身を除く): 1965555

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 419, 695, 1251, 1257, 2085, 2095, 3771, 6255, 6285, 18855, 58241, 174723, 291205, 524169, 873615, 2620845]

約数ペア:

[(1, 2620845), (3, 873615), (5, 524169), (9, 291205), (15, 174723), (45, 58241), (139, 18855), (417, 6285), (419, 6255), (695, 3771), (1251, 2095), (1257, 2085)]