39788343

素因数分解:

$3^2\times 7^3\times {\mathrm{12889}}^1$

素因数の和:12916

約数の個数: 24

約数和(自身を含む): 67028000

約数和(自身を除く): 27239657

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 12889, 38667, 90223, 116001, 270669, 631561, 812007, 1894683, 4420927, 5684049, 13262781, 39788343]

約数ペア:

[(1, 39788343), (3, 13262781), (7, 5684049), (9, 4420927), (21, 1894683), (49, 812007), (63, 631561), (147, 270669), (343, 116001), (441, 90223), (1029, 38667), (3087, 12889)]