18009729

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{21517}}^1$

素因数の和:21557

約数の個数: 16

約数和(自身を含む): 27543040

約数和(自身を除く): 9533311

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 21517, 64551, 193653, 580959, 667027, 2001081, 6003243, 18009729]

約数ペア:

[(1, 18009729), (3, 6003243), (9, 2001081), (27, 667027), (31, 580959), (93, 193653), (279, 64551), (837, 21517)]