205697943

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 72

約数和(自身を含む): 355537728

約数和(自身を除く): 149839785

約数列:

[1, 3, 9, 11, 17, 33, 41, 51, 99, 121, 123, 153, 187, 271, 363, 369, 451, 561, 697, 813, 1089, 1353, 1683, 2057, 2091, 2439, 2981, 4059, 4607, 4961, 6171, 6273, 7667, 8943, 11111, 13821, 14883, 18513, 23001, 26829, 32791, 33333, 41463, 44649, 50677, 69003, 84337, 98373, 99999, 122221, 152031, 188887, 253011, 295119, 366663, 456093, 557447, 566661, 759033, 1099989, 1344431, 1672341, 1699983, 2077757, 4033293, 5017023, 6233271, 12099879, 18699813, 22855327, 68565981, 205697943]

約数ペア:

[(1, 205697943), (3, 68565981), (9, 22855327), (11, 18699813), (17, 12099879), (33, 6233271), (41, 5017023), (51, 4033293), (99, 2077757), (121, 1699983), (123, 1672341), (153, 1344431), (187, 1099989), (271, 759033), (363, 566661), (369, 557447), (451, 456093), (561, 366663), (697, 295119), (813, 253011), (1089, 188887), (1353, 152031), (1683, 122221), (2057, 99999), (2091, 98373), (2439, 84337), (2981, 69003), (4059, 50677), (4607, 44649), (4961, 41463), (6171, 33333), (6273, 32791), (7667, 26829), (8943, 23001), (11111, 18513), (13821, 14883)]