56156985

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9109}}^1$

素因数の和:9257

約数の個数: 24

約数和(自身を含む): 98060040

約数和(自身を除く): 41903055

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 9109, 27327, 45545, 81981, 136635, 409905, 1247933, 3743799, 6239665, 11231397, 18718995, 56156985]

約数ペア:

[(1, 56156985), (3, 18718995), (5, 11231397), (9, 6239665), (15, 3743799), (45, 1247933), (137, 409905), (411, 136635), (685, 81981), (1233, 45545), (2055, 27327), (6165, 9109)]