261657351

素因数分解:

$3^3\times {\mathrm{1789}}^1\times {\mathrm{5417}}^1$

素因数の和:7215

約数の個数: 16

約数和(自身を含む): 387928800

約数和(自身を除く): 126271449

約数列:

[1, 3, 9, 27, 1789, 5367, 5417, 16101, 16251, 48303, 48753, 146259, 9691013, 29073039, 87219117, 261657351]

約数ペア:

[(1, 261657351), (3, 87219117), (9, 29073039), (27, 9691013), (1789, 146259), (5367, 48753), (5417, 48303), (16101, 16251)]