2106729

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 3252480

約数和(自身を除く): 1145751

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 839, 2511, 2517, 7551, 22653, 26009, 67959, 78027, 234081, 702243, 2106729]

約数ペア:

[(1, 2106729), (3, 702243), (9, 234081), (27, 78027), (31, 67959), (81, 26009), (93, 22653), (279, 7551), (837, 2517), (839, 2511)]