2087831277

素因数分解:

$3^2\times 7^1\times {\mathrm{33140179}}^1$

素因数の和:33140192

約数の個数: 12

約数和(自身を含む): 3446578720

約数和(自身を除く): 1358747443

約数列:

[1, 3, 7, 9, 21, 63, 33140179, 99420537, 231981253, 298261611, 695943759, 2087831277]

約数ペア:

[(1, 2087831277), (3, 695943759), (7, 298261611), (9, 231981253), (21, 99420537), (63, 33140179)]