80578239

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{37253}}^1$

素因数の和:37366

約数の個数: 16

約数和(自身を含む): 123981312

約数和(自身を除く): 43403073

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 37253, 111759, 260771, 782313, 3837059, 11511177, 26859413, 80578239]

約数ペア:

[(1, 80578239), (3, 26859413), (7, 11511177), (21, 3837059), (103, 782313), (309, 260771), (721, 111759), (2163, 37253)]