12756807

素因数分解:

$3^2\times 7^2\times {\mathrm{28927}}^1$

素因数の和:28947

約数の個数: 18

約数和(自身を含む): 21435648

約数和(自身を除く): 8678841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28927, 86781, 202489, 260343, 607467, 1417423, 1822401, 4252269, 12756807]

約数ペア:

[(1, 12756807), (3, 4252269), (7, 1822401), (9, 1417423), (21, 607467), (49, 260343), (63, 202489), (147, 86781), (441, 28927)]