2491893

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 3788928

約数和(自身を除く): 1297035

約数列:

[1, 3, 9, 43, 47, 129, 137, 141, 387, 411, 423, 1233, 2021, 5891, 6063, 6439, 17673, 18189, 19317, 53019, 57951, 276877, 830631, 2491893]

約数ペア:

[(1, 2491893), (3, 830631), (9, 276877), (43, 57951), (47, 53019), (129, 19317), (137, 18189), (141, 17673), (387, 6439), (411, 6063), (423, 5891), (1233, 2021)]