12931317

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2473}}^1$

素因数の和:2569

約数の個数: 24

約数和(自身を含む): 21612864

約数和(自身を除く): 8681547

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 2473, 5229, 7419, 17311, 22257, 51933, 155799, 205259, 615777, 1436813, 1847331, 4310439, 12931317]

約数ペア:

[(1, 12931317), (3, 4310439), (7, 1847331), (9, 1436813), (21, 615777), (63, 205259), (83, 155799), (249, 51933), (581, 22257), (747, 17311), (1743, 7419), (2473, 5229)]