388613799

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1031}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 666292224

約数和(自身を除く): 277678425

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 193, 217, 279, 579, 651, 1031, 1351, 1737, 1953, 3093, 4053, 5983, 7217, 9279, 12159, 17949, 21651, 31961, 41881, 53847, 64953, 95883, 125643, 198983, 223727, 287649, 376929, 596949, 671181, 1392881, 1790847, 2013543, 4178643, 6168473, 12535929, 18505419, 43179311, 55516257, 129537933, 388613799]

約数ペア:

[(1, 388613799), (3, 129537933), (7, 55516257), (9, 43179311), (21, 18505419), (31, 12535929), (63, 6168473), (93, 4178643), (193, 2013543), (217, 1790847), (279, 1392881), (579, 671181), (651, 596949), (1031, 376929), (1351, 287649), (1737, 223727), (1953, 198983), (3093, 125643), (4053, 95883), (5983, 64953), (7217, 53847), (9279, 41881), (12159, 31961), (17949, 21651)]