28256607

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{1753}}^1$

素因数の和:1964

約数の個数: 20

約数和(自身を含む): 42446800

約数和(自身を除く): 14190193

約数列:

[1, 3, 9, 27, 81, 199, 597, 1753, 1791, 5259, 5373, 15777, 16119, 47331, 141993, 348847, 1046541, 3139623, 9418869, 28256607]

約数ペア:

[(1, 28256607), (3, 9418869), (9, 3139623), (27, 1046541), (81, 348847), (199, 141993), (597, 47331), (1753, 16119), (1791, 15777), (5259, 5373)]