19610991

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{2917}}^1$

素因数の和:3012

約数の個数: 20

約数和(自身を含む): 29658552

約数和(自身を除く): 10047561

約数列:

[1, 3, 9, 27, 81, 83, 249, 747, 2241, 2917, 6723, 8751, 26253, 78759, 236277, 242111, 726333, 2178999, 6536997, 19610991]

約数ペア:

[(1, 19610991), (3, 6536997), (9, 2178999), (27, 726333), (81, 242111), (83, 236277), (249, 78759), (747, 26253), (2241, 8751), (2917, 6723)]