80834481

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 144668160

約数和(自身を除く): 63833679

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 229, 273, 431, 687, 819, 1293, 1603, 2061, 2977, 3017, 3879, 4809, 5603, 8931, 9051, 14427, 16809, 20839, 26793, 27153, 39221, 50427, 62517, 98699, 117663, 187551, 296097, 352989, 690893, 888291, 1283087, 2072679, 3849261, 6218037, 8981609, 11547783, 26944827, 80834481]

約数ペア:

[(1, 80834481), (3, 26944827), (7, 11547783), (9, 8981609), (13, 6218037), (21, 3849261), (39, 2072679), (63, 1283087), (91, 888291), (117, 690893), (229, 352989), (273, 296097), (431, 187551), (687, 117663), (819, 98699), (1293, 62517), (1603, 50427), (2061, 39221), (2977, 27153), (3017, 26793), (3879, 20839), (4809, 16809), (5603, 14427), (8931, 9051)]