1391661

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:124

約数の個数: 28

約数和(自身を含む): 2203488

約数和(自身を除く): 811827

約数列:

[1, 3, 9, 23, 27, 69, 81, 83, 207, 243, 249, 621, 729, 747, 1863, 1909, 2241, 5589, 5727, 6723, 16767, 17181, 20169, 51543, 60507, 154629, 463887, 1391661]

約数ペア:

[(1, 1391661), (3, 463887), (9, 154629), (23, 60507), (27, 51543), (69, 20169), (81, 17181), (83, 16767), (207, 6723), (243, 5727), (249, 5589), (621, 2241), (729, 1909), (747, 1863)]