47180991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 74995200

約数和(自身を除く): 27814209

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 781, 923, 1549, 2343, 2769, 4647, 10153, 17039, 20137, 30459, 51117, 60411, 109979, 221507, 329937, 664521, 1209769, 1429727, 3629307, 4289181, 15726997, 47180991]

約数ペア:

[(1, 47180991), (3, 15726997), (11, 4289181), (13, 3629307), (33, 1429727), (39, 1209769), (71, 664521), (143, 329937), (213, 221507), (429, 109979), (781, 60411), (923, 51117), (1549, 30459), (2343, 20137), (2769, 17039), (4647, 10153)]