12405717

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{6659}}^1$

素因数の和:6694

約数の個数: 20

約数和(自身を含む): 19340640

約数和(自身を除く): 6934923

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 6659, 19977, 59931, 153157, 179793, 459471, 539379, 1378413, 4135239, 12405717]

約数ペア:

[(1, 12405717), (3, 4135239), (9, 1378413), (23, 539379), (27, 459471), (69, 179793), (81, 153157), (207, 59931), (621, 19977), (1863, 6659)]