257577021

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{863}}^1\times {\mathrm{2551}}^1$

素因数の和:3433

約数の個数: 24

約数和(自身を含む): 401296896

約数和(自身を除く): 143719875

約数列:

[1, 3, 9, 13, 39, 117, 863, 2551, 2589, 7653, 7767, 11219, 22959, 33163, 33657, 99489, 100971, 298467, 2201513, 6604539, 19813617, 28619669, 85859007, 257577021]

約数ペア:

[(1, 257577021), (3, 85859007), (9, 28619669), (13, 19813617), (39, 6604539), (117, 2201513), (863, 298467), (2551, 100971), (2589, 99489), (7653, 33657), (7767, 33163), (11219, 22959)]