12876507

素因数分解:

$3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{653}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 21357024

約数和(自身を除く): 8480517

約数列:

[1, 3, 7, 9, 21, 63, 313, 653, 939, 1959, 2191, 2817, 4571, 5877, 6573, 13713, 19719, 41139, 204389, 613167, 1430723, 1839501, 4292169, 12876507]

約数ペア:

[(1, 12876507), (3, 4292169), (7, 1839501), (9, 1430723), (21, 613167), (63, 204389), (313, 41139), (653, 19719), (939, 13713), (1959, 6573), (2191, 5877), (2817, 4571)]