1279857537

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{11497}}^1$

素因数の和:11563

約数の個数: 64

約数和(自身を含む): 2354790400

約数和(自身を除く): 1074932863

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 189, 217, 279, 399, 513, 589, 651, 837, 1197, 1767, 1953, 3591, 4123, 5301, 5859, 11497, 12369, 15903, 34491, 37107, 80479, 103473, 111321, 218443, 241437, 310419, 356407, 655329, 724311, 1069221, 1529101, 1965987, 2172933, 2494849, 3207663, 4587303, 5897961, 6771733, 7484547, 9622989, 13761909, 20315199, 22453641, 41285727, 47402131, 60945597, 67360923, 142206393, 182836791, 426619179, 1279857537]

約数ペア:

[(1, 1279857537), (3, 426619179), (7, 182836791), (9, 142206393), (19, 67360923), (21, 60945597), (27, 47402131), (31, 41285727), (57, 22453641), (63, 20315199), (93, 13761909), (133, 9622989), (171, 7484547), (189, 6771733), (217, 5897961), (279, 4587303), (399, 3207663), (513, 2494849), (589, 2172933), (651, 1965987), (837, 1529101), (1197, 1069221), (1767, 724311), (1953, 655329), (3591, 356407), (4123, 310419), (5301, 241437), (5859, 218443), (11497, 111321), (12369, 103473), (15903, 80479), (34491, 37107)]