80512731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 57865509

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 103, 117, 131, 153, 221, 309, 351, 393, 459, 663, 927, 1179, 1339, 1703, 1751, 1989, 2227, 2781, 3537, 4017, 5109, 5253, 5967, 6681, 12051, 13493, 15327, 15759, 20043, 22763, 28951, 36153, 40479, 45981, 47277, 60129, 68289, 86853, 121437, 175409, 204867, 229381, 260559, 364311, 526227, 614601, 688143, 781677, 1578681, 2064429, 2981953, 4736043, 6193287, 8945859, 26837577, 80512731]

約数ペア:

[(1, 80512731), (3, 26837577), (9, 8945859), (13, 6193287), (17, 4736043), (27, 2981953), (39, 2064429), (51, 1578681), (103, 781677), (117, 688143), (131, 614601), (153, 526227), (221, 364311), (309, 260559), (351, 229381), (393, 204867), (459, 175409), (663, 121437), (927, 86853), (1179, 68289), (1339, 60129), (1703, 47277), (1751, 45981), (1989, 40479), (2227, 36153), (2781, 28951), (3537, 22763), (4017, 20043), (5109, 15759), (5253, 15327), (5967, 13493), (6681, 12051)]