9897471

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 20

約数和(自身を含む): 15002064

約数和(自身を除く): 5104593

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1721, 1917, 5163, 5751, 15489, 46467, 122191, 139401, 366573, 1099719, 3299157, 9897471]

約数ペア:

[(1, 9897471), (3, 3299157), (9, 1099719), (27, 366573), (71, 139401), (81, 122191), (213, 46467), (639, 15489), (1721, 5751), (1917, 5163)]