18468027

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{15907}}^1$

素因数の和:15959

約数の個数: 16

約数和(自身を含む): 27998080

約数和(自身を除く): 9530053

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 15907, 47721, 143163, 429489, 684001, 2052003, 6156009, 18468027]

約数ペア:

[(1, 18468027), (3, 6156009), (9, 2052003), (27, 684001), (43, 429489), (129, 143163), (387, 47721), (1161, 15907)]