78707943

素因数分解:

$3^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 131068800

約数和(自身を除く): 52360857

約数列:

[1, 3, 9, 17, 27, 29, 51, 73, 81, 87, 153, 219, 243, 261, 459, 493, 657, 729, 783, 1241, 1377, 1479, 1971, 2117, 2187, 2349, 3723, 4131, 4437, 5913, 6351, 7047, 11169, 12393, 13311, 17739, 19053, 21141, 33507, 35989, 37179, 39933, 53217, 57159, 63423, 100521, 107967, 119799, 159651, 171477, 301563, 323901, 359397, 514431, 904689, 971703, 1078191, 1543293, 2714067, 2915109, 4629879, 8745327, 26235981, 78707943]

約数ペア:

[(1, 78707943), (3, 26235981), (9, 8745327), (17, 4629879), (27, 2915109), (29, 2714067), (51, 1543293), (73, 1078191), (81, 971703), (87, 904689), (153, 514431), (219, 359397), (243, 323901), (261, 301563), (459, 171477), (493, 159651), (657, 119799), (729, 107967), (783, 100521), (1241, 63423), (1377, 57159), (1479, 53217), (1971, 39933), (2117, 37179), (2187, 35989), (2349, 33507), (3723, 21141), (4131, 19053), (4437, 17739), (5913, 13311), (6351, 12393), (7047, 11169)]