81650049

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 124185600

約数和(自身を除く): 42535551

約数列:

[1, 3, 13, 19, 39, 57, 247, 251, 439, 741, 753, 1317, 3263, 4769, 5707, 8341, 9789, 14307, 17121, 25023, 61997, 108433, 110189, 185991, 325299, 330567, 1432457, 2093591, 4297371, 6280773, 27216683, 81650049]

約数ペア:

[(1, 81650049), (3, 27216683), (13, 6280773), (19, 4297371), (39, 2093591), (57, 1432457), (247, 330567), (251, 325299), (439, 185991), (741, 110189), (753, 108433), (1317, 61997), (3263, 25023), (4769, 17121), (5707, 14307), (8341, 9789)]