2589993

素因数分解:

$3^2\times 7^3\times {\mathrm{839}}^1$

素因数の和:866

約数の個数: 24

約数和(自身を含む): 4368000

約数和(自身を除く): 1778007

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 839, 1029, 2517, 3087, 5873, 7551, 17619, 41111, 52857, 123333, 287777, 369999, 863331, 2589993]

約数ペア:

[(1, 2589993), (3, 863331), (7, 369999), (9, 287777), (21, 123333), (49, 52857), (63, 41111), (147, 17619), (343, 7551), (441, 5873), (839, 3087), (1029, 2517)]