2009645205

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3115729}}^1$

素因数の和:3115780

約数の個数: 16

約数和(自身を含む): 3290210880

約数和(自身を除く): 1280565675

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 3115729, 9347187, 15578645, 46735935, 133976347, 401929041, 669881735, 2009645205]

約数ペア:

[(1, 2009645205), (3, 669881735), (5, 401929041), (15, 133976347), (43, 46735935), (129, 15578645), (215, 9347187), (645, 3115729)]