30781465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43051}}^1$

素因数の和:43080

約数の個数: 16

約数和(自身を含む): 43396416

約数和(自身を除く): 12614951

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 43051, 215255, 473561, 559663, 2367805, 2798315, 6156293, 30781465]

約数ペア:

[(1, 30781465), (5, 6156293), (11, 2798315), (13, 2367805), (55, 559663), (65, 473561), (143, 215255), (715, 43051)]