15380517

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 20971008

約数和(自身を除く): 5590491

約数列:

[1, 3, 71, 163, 213, 443, 489, 1329, 11573, 31453, 34719, 72209, 94359, 216627, 5126839, 15380517]

約数ペア:

[(1, 15380517), (3, 5126839), (71, 216627), (163, 94359), (213, 72209), (443, 34719), (489, 31453), (1329, 11573)]