1220555217

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{457651}}^1$

素因数の和:457788

約数の個数: 16

約数和(自身を含む): 1874542592

約数和(自身を除く): 653987375

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 457651, 1372953, 3203557, 9610671, 58121677, 174365031, 406851739, 1220555217]

約数ペア:

[(1, 1220555217), (3, 406851739), (7, 174365031), (21, 58121677), (127, 9610671), (381, 3203557), (889, 1372953), (2667, 457651)]