2543859

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1327}}^1$

素因数の和:1407

約数の個数: 16

約数和(自身を含む): 3824640

約数和(自身を除く): 1280781

約数列:

[1, 3, 9, 27, 71, 213, 639, 1327, 1917, 3981, 11943, 35829, 94217, 282651, 847953, 2543859]

約数ペア:

[(1, 2543859), (3, 847953), (9, 282651), (27, 94217), (71, 35829), (213, 11943), (639, 3981), (1327, 1917)]