80215707

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{647}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 133684992

約数和(自身を除く): 53469285

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 289, 429, 561, 647, 663, 867, 1941, 2431, 3179, 3757, 7117, 7293, 8411, 9537, 10999, 11271, 21351, 25233, 32997, 41327, 92521, 120989, 123981, 142987, 186983, 277563, 362967, 428961, 560949, 1572857, 2056813, 2430779, 4718571, 6170439, 7292337, 26738569, 80215707]

約数ペア:

[(1, 80215707), (3, 26738569), (11, 7292337), (13, 6170439), (17, 4718571), (33, 2430779), (39, 2056813), (51, 1572857), (143, 560949), (187, 428961), (221, 362967), (289, 277563), (429, 186983), (561, 142987), (647, 123981), (663, 120989), (867, 92521), (1941, 41327), (2431, 32997), (3179, 25233), (3757, 21351), (7117, 11271), (7293, 10999), (8411, 9537)]