2558709

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 20

約数和(自身を含む): 3949440

約数和(自身を除く): 1390731

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 1019, 2511, 3057, 9171, 27513, 31589, 82539, 94767, 284301, 852903, 2558709]

約数ペア:

[(1, 2558709), (3, 852903), (9, 284301), (27, 94767), (31, 82539), (81, 31589), (93, 27513), (279, 9171), (837, 3057), (1019, 2511)]