15787143

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2988

約数の個数: 20

約数和(自身を含む): 23943480

約数和(自身を除く): 8156337

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 2909, 5427, 8727, 26181, 78543, 194903, 235629, 584709, 1754127, 5262381, 15787143]

約数ペア:

[(1, 15787143), (3, 5262381), (9, 1754127), (27, 584709), (67, 235629), (81, 194903), (201, 78543), (603, 26181), (1809, 8727), (2909, 5427)]