2790945

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 4890600

約数和(自身を除く): 2099655

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 569, 981, 1635, 1707, 2845, 4905, 5121, 8535, 25605, 62021, 186063, 310105, 558189, 930315, 2790945]

約数ペア:

[(1, 2790945), (3, 930315), (5, 558189), (9, 310105), (15, 186063), (45, 62021), (109, 25605), (327, 8535), (545, 5121), (569, 4905), (981, 2845), (1635, 1707)]