18528291

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{5009}}^1$

素因数の和:5155

約数の個数: 16

約数和(自身を含む): 27655200

約数和(自身を除く): 9126909

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3699, 5009, 15027, 45081, 135243, 686233, 2058699, 6176097, 18528291]

約数ペア:

[(1, 18528291), (3, 6176097), (9, 2058699), (27, 686233), (137, 135243), (411, 45081), (1233, 15027), (3699, 5009)]