2097407907

素因数分解:

$3^2\times 7^2\times {\mathrm{4756027}}^1$

素因数の和:4756047

約数の個数: 18

約数和(自身を含む): 3524216748

約数和(自身を除く): 1426808841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4756027, 14268081, 33292189, 42804243, 99876567, 233045323, 299629701, 699135969, 2097407907]

約数ペア:

[(1, 2097407907), (3, 699135969), (7, 299629701), (9, 233045323), (21, 99876567), (49, 42804243), (63, 33292189), (147, 14268081), (441, 4756027)]