18306027

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{21871}}^1$

素因数の和:21911

約数の個数: 16

約数和(自身を含む): 27996160

約数和(自身を除く): 9690133

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 21871, 65613, 196839, 590517, 678001, 2034003, 6102009, 18306027]

約数ペア:

[(1, 18306027), (3, 6102009), (9, 2034003), (27, 678001), (31, 590517), (93, 196839), (279, 65613), (837, 21871)]