289939461

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{71537}}^1$

素因数の和:71740

約数の個数: 16

約数和(自身を含む): 444107904

約数和(自身を除く): 154168443

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 71537, 214611, 500759, 1502277, 13806641, 41419923, 96646487, 289939461]

約数ペア:

[(1, 289939461), (3, 96646487), (7, 41419923), (21, 13806641), (193, 1502277), (579, 500759), (1351, 214611), (4053, 71537)]