18288729

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{65551}}^1$

素因数の和:65588

約数の個数: 12

約数和(自身を含む): 27269632

約数和(自身を除く): 8980903

約数列:

[1, 3, 9, 31, 93, 279, 65551, 196653, 589959, 2032081, 6096243, 18288729]

約数ペア:

[(1, 18288729), (3, 6096243), (9, 2032081), (31, 589959), (93, 196653), (279, 65551)]