206562717

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{43223}}^1$

素因数の和:43294

約数の個数: 20

約数和(自身を含む): 313806240

約数和(自身を除く): 107243523

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 43223, 129669, 389007, 1167021, 2550157, 3501063, 7650471, 22951413, 68854239, 206562717]

約数ペア:

[(1, 206562717), (3, 68854239), (9, 22951413), (27, 7650471), (59, 3501063), (81, 2550157), (177, 1167021), (531, 389007), (1593, 129669), (4779, 43223)]