4129955667

素因数分解:

$3^4\times {\mathrm{397}}^1\times {\mathrm{128431}}^1$

素因数の和:128840

約数の個数: 20

約数和(自身を含む): 6185028256

約数和(自身を除く): 2055072589

約数列:

[1, 3, 9, 27, 81, 397, 1191, 3573, 10719, 32157, 128431, 385293, 1155879, 3467637, 10402911, 50987107, 152961321, 458883963, 1376651889, 4129955667]

約数ペア:

[(1, 4129955667), (3, 1376651889), (9, 458883963), (27, 152961321), (81, 50987107), (397, 10402911), (1191, 3467637), (3573, 1155879), (10719, 385293), (32157, 128431)]