245290563

素因数分解:

$3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{10009}}^1$

素因数の和:10411

約数の個数: 24

約数和(自身を含む): 406005600

約数和(自身を除く): 160715037

約数列:

[1, 3, 7, 9, 21, 63, 389, 1167, 2723, 3501, 8169, 10009, 24507, 30027, 70063, 90081, 210189, 630567, 3893501, 11680503, 27254507, 35041509, 81763521, 245290563]

約数ペア:

[(1, 245290563), (3, 81763521), (7, 35041509), (9, 27254507), (21, 11680503), (63, 3893501), (389, 630567), (1167, 210189), (2723, 90081), (3501, 70063), (8169, 30027), (10009, 24507)]