51756489

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{8753}}^1$

素因数の和:8838

約数の個数: 20

約数和(自身を含む): 78383316

約数和(自身を除く): 26626827

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 8753, 26259, 78777, 236331, 638969, 708993, 1916907, 5750721, 17252163, 51756489]

約数ペア:

[(1, 51756489), (3, 17252163), (9, 5750721), (27, 1916907), (73, 708993), (81, 638969), (219, 236331), (657, 78777), (1971, 26259), (5913, 8753)]