720621

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1179360

約数和(自身を除く): 458739

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 251, 261, 319, 753, 957, 2259, 2761, 2871, 7279, 8283, 21837, 24849, 65511, 80069, 240207, 720621]

約数ペア:

[(1, 720621), (3, 240207), (9, 80069), (11, 65511), (29, 24849), (33, 21837), (87, 8283), (99, 7279), (251, 2871), (261, 2761), (319, 2259), (753, 957)]