2786319

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:892

約数の個数: 20

約数和(自身を含む): 4268880

約数和(自身を除く): 1482561

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 839, 1107, 2517, 3321, 7551, 22653, 34399, 67959, 103197, 309591, 928773, 2786319]

約数ペア:

[(1, 2786319), (3, 928773), (9, 309591), (27, 103197), (41, 67959), (81, 34399), (123, 22653), (369, 7551), (839, 3321), (1107, 2517)]