51872157

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{1597}}^1$

素因数の和:2010

約数の個数: 20

約数和(自身を含む): 77729916

約数和(自身を除く): 25857759

約数列:

[1, 3, 9, 27, 81, 401, 1203, 1597, 3609, 4791, 10827, 14373, 32481, 43119, 129357, 640397, 1921191, 5763573, 17290719, 51872157]

約数ペア:

[(1, 51872157), (3, 17290719), (9, 5763573), (27, 1921191), (81, 640397), (401, 129357), (1203, 43119), (1597, 32481), (3609, 14373), (4791, 10827)]