15211161

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2909}}^1$

素因数の和:3005

約数の個数: 24

約数和(自身を含む): 25421760

約数和(自身を除く): 10210599

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 2909, 5229, 8727, 20363, 26181, 61089, 183267, 241447, 724341, 1690129, 2173023, 5070387, 15211161]

約数ペア:

[(1, 15211161), (3, 5070387), (7, 2173023), (9, 1690129), (21, 724341), (63, 241447), (83, 183267), (249, 61089), (581, 26181), (747, 20363), (1743, 8727), (2909, 5229)]