13481781

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{241}}^1\times {\mathrm{643}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 18701760

約数和(自身を除く): 5219979

約数列:

[1, 3, 29, 87, 241, 643, 723, 1929, 6989, 18647, 20967, 55941, 154963, 464889, 4493927, 13481781]

約数ペア:

[(1, 13481781), (3, 4493927), (29, 464889), (87, 154963), (241, 55941), (643, 20967), (723, 18647), (1929, 6989)]