12785751

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 21835008

約数和(自身を除く): 9049257

約数列:

[1, 3, 9, 11, 17, 33, 51, 71, 99, 107, 153, 187, 213, 321, 561, 639, 781, 963, 1177, 1207, 1683, 1819, 2343, 3531, 3621, 5457, 7029, 7597, 10593, 10863, 13277, 16371, 20009, 22791, 39831, 60027, 68373, 83567, 119493, 129149, 180081, 250701, 387447, 752103, 1162341, 1420639, 4261917, 12785751]

約数ペア:

[(1, 12785751), (3, 4261917), (9, 1420639), (11, 1162341), (17, 752103), (33, 387447), (51, 250701), (71, 180081), (99, 129149), (107, 119493), (153, 83567), (187, 68373), (213, 60027), (321, 39831), (561, 22791), (639, 20009), (781, 16371), (963, 13277), (1177, 10863), (1207, 10593), (1683, 7597), (1819, 7029), (2343, 5457), (3531, 3621)]