2689005

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 4815360

約数和(自身を除く): 2126355

約数列:

[1, 3, 5, 11, 15, 33, 43, 55, 129, 165, 215, 379, 473, 645, 1137, 1419, 1895, 2365, 4169, 5685, 7095, 12507, 16297, 20845, 48891, 62535, 81485, 179267, 244455, 537801, 896335, 2689005]

約数ペア:

[(1, 2689005), (3, 896335), (5, 537801), (11, 244455), (15, 179267), (33, 81485), (43, 62535), (55, 48891), (129, 20845), (165, 16297), (215, 12507), (379, 7095), (473, 5685), (645, 4169), (1137, 2365), (1419, 1895)]