18211689

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1049}}^1$

素因数の和:1701

約数の個数: 16

約数和(自身を含む): 27048000

約数和(自身を除く): 8836311

約数列:

[1, 3, 9, 27, 643, 1049, 1929, 3147, 5787, 9441, 17361, 28323, 674507, 2023521, 6070563, 18211689]

約数ペア:

[(1, 18211689), (3, 6070563), (9, 2023521), (27, 674507), (643, 28323), (1049, 17361), (1929, 9441), (3147, 5787)]