218907945

素因数分解:

$3^2\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{3001}}^1$

素因数の和:4633

約数の個数: 24

約数和(自身を含む): 379801032

約数和(自身を除く): 160893087

約数列:

[1, 3, 5, 9, 15, 45, 1621, 3001, 4863, 8105, 9003, 14589, 15005, 24315, 27009, 45015, 72945, 135045, 4864621, 14593863, 24323105, 43781589, 72969315, 218907945]

約数ペア:

[(1, 218907945), (3, 72969315), (5, 43781589), (9, 24323105), (15, 14593863), (45, 4864621), (1621, 135045), (3001, 72945), (4863, 45015), (8105, 27009), (9003, 24315), (14589, 15005)]