9078181

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:246

約数の個数: 20

約数和(自身を含む): 11204000

約数和(自身を除く): 2125819

約数列:

[1, 7, 19, 49, 133, 199, 343, 931, 1393, 2401, 3781, 6517, 9751, 26467, 45619, 68257, 185269, 477799, 1296883, 9078181]

約数ペア:

[(1, 9078181), (7, 1296883), (19, 477799), (49, 185269), (133, 68257), (199, 45619), (343, 26467), (931, 9751), (1393, 6517), (2401, 3781)]