13618521

素因数分解:

$3^2\times 7^2\times {\mathrm{30881}}^1$

素因数の和:30901

約数の個数: 18

約数和(自身を含む): 22883562

約数和(自身を除く): 9265041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 30881, 92643, 216167, 277929, 648501, 1513169, 1945503, 4539507, 13618521]

約数ペア:

[(1, 13618521), (3, 4539507), (7, 1945503), (9, 1513169), (21, 648501), (49, 277929), (63, 216167), (147, 92643), (441, 30881)]