12800895

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1319}}^1$

素因数の和:1974

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 7727745

約数列:

[1, 3, 5, 15, 647, 1319, 1941, 3235, 3957, 6595, 9705, 19785, 853393, 2560179, 4266965, 12800895]

約数ペア:

[(1, 12800895), (3, 4266965), (5, 2560179), (15, 853393), (647, 19785), (1319, 9705), (1941, 6595), (3235, 3957)]