20121499293

素因数分解:

$3^1\times 7^1\times {\mathrm{9859}}^1\times {\mathrm{97187}}^1$

素因数の和:107056

約数の個数: 16

約数和(自身を含む): 30664757760

約数和(自身を除く): 10543258467

約数列:

[1, 3, 7, 21, 9859, 29577, 69013, 97187, 207039, 291561, 680309, 2040927, 958166633, 2874499899, 6707166431, 20121499293]

約数ペア:

[(1, 20121499293), (3, 6707166431), (7, 2874499899), (21, 958166633), (9859, 2040927), (29577, 680309), (69013, 291561), (97187, 207039)]