12875877

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:167

約数の個数: 48

約数和(自身を含む): 22422400

約数和(自身を除く): 9546523

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 97, 129, 147, 291, 301, 343, 387, 441, 679, 873, 903, 1029, 2037, 2107, 2709, 3087, 4171, 4753, 6111, 6321, 12513, 14259, 14749, 18963, 29197, 33271, 37539, 42777, 44247, 87591, 99813, 132741, 204379, 262773, 299439, 613137, 1430653, 1839411, 4291959, 12875877]

約数ペア:

[(1, 12875877), (3, 4291959), (7, 1839411), (9, 1430653), (21, 613137), (43, 299439), (49, 262773), (63, 204379), (97, 132741), (129, 99813), (147, 87591), (291, 44247), (301, 42777), (343, 37539), (387, 33271), (441, 29197), (679, 18963), (873, 14749), (903, 14259), (1029, 12513), (2037, 6321), (2107, 6111), (2709, 4753), (3087, 4171)]