389631555

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{863}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 690094080

約数和(自身を除く): 300462525

約数列:

[1, 3, 5, 9, 15, 45, 79, 127, 237, 381, 395, 635, 711, 863, 1143, 1185, 1905, 2589, 3555, 4315, 5715, 7767, 10033, 12945, 30099, 38835, 50165, 68177, 90297, 109601, 150495, 204531, 328803, 340885, 451485, 548005, 613593, 986409, 1022655, 1644015, 3067965, 4932045, 8658479, 25975437, 43292395, 77926311, 129877185, 389631555]

約数ペア:

[(1, 389631555), (3, 129877185), (5, 77926311), (9, 43292395), (15, 25975437), (45, 8658479), (79, 4932045), (127, 3067965), (237, 1644015), (381, 1022655), (395, 986409), (635, 613593), (711, 548005), (863, 451485), (1143, 340885), (1185, 328803), (1905, 204531), (2589, 150495), (3555, 109601), (4315, 90297), (5715, 68177), (7767, 50165), (10033, 38835), (12945, 30099)]