2021509143

素因数分解:

$3^4\times {\mathrm{811}}^1\times {\mathrm{30773}}^1$

素因数の和:31596

約数の個数: 20

約数和(自身を含む): 3023607048

約数和(自身を除く): 1002097905

約数列:

[1, 3, 9, 27, 81, 811, 2433, 7299, 21897, 30773, 65691, 92319, 276957, 830871, 2492613, 24956903, 74870709, 224612127, 673836381, 2021509143]

約数ペア:

[(1, 2021509143), (3, 673836381), (9, 224612127), (27, 74870709), (81, 24956903), (811, 2492613), (2433, 830871), (7299, 276957), (21897, 92319), (30773, 65691)]