51806781

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{34061}}^1$

素因数の和:34093

約数の個数: 18

約数和(自身を含む): 81033498

約数和(自身を除く): 29226717

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 34061, 102183, 306549, 442793, 1328379, 3985137, 5756309, 17268927, 51806781]

約数ペア:

[(1, 51806781), (3, 17268927), (9, 5756309), (13, 3985137), (39, 1328379), (117, 442793), (169, 306549), (507, 102183), (1521, 34061)]