81867405

素因数分解:

$3^1\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{5021}}^1$

素因数の和:6116

約数の個数: 16

約数和(自身を含む): 131134464

約数和(自身を除く): 49267059

約数列:

[1, 3, 5, 15, 1087, 3261, 5021, 5435, 15063, 16305, 25105, 75315, 5457827, 16373481, 27289135, 81867405]

約数ペア:

[(1, 81867405), (3, 27289135), (5, 16373481), (15, 5457827), (1087, 75315), (3261, 25105), (5021, 16305), (5435, 15063)]