205403835

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 429004800

約数和(自身を除く): 223600965

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 37, 39, 49, 65, 83, 91, 105, 111, 147, 185, 195, 245, 249, 259, 273, 343, 415, 455, 481, 555, 581, 637, 735, 777, 1029, 1079, 1245, 1295, 1365, 1443, 1715, 1743, 1813, 1911, 2405, 2905, 3071, 3185, 3237, 3367, 3885, 4067, 4459, 5145, 5395, 5439, 7215, 7553, 8715, 9065, 9213, 9555, 10101, 12201, 12691, 13377, 15355, 16185, 16835, 20335, 21497, 22295, 22659, 23569, 27195, 28469, 37765, 38073, 39923, 46065, 50505, 52871, 61005, 63455, 64491, 66885, 70707, 85407, 107485, 113295, 117845, 119769, 142345, 150479, 158613, 164983, 190365, 199615, 264355, 279461, 322455, 353535, 370097, 427035, 451437, 494949, 598845, 752395, 793065, 824915, 838383, 1053353, 1110291, 1397305, 1850485, 1956227, 2257185, 2474745, 3160059, 4191915, 5266765, 5551455, 5868681, 9781135, 13693589, 15800295, 29343405, 41080767, 68467945, 205403835]

約数ペア:

[(1, 205403835), (3, 68467945), (5, 41080767), (7, 29343405), (13, 15800295), (15, 13693589), (21, 9781135), (35, 5868681), (37, 5551455), (39, 5266765), (49, 4191915), (65, 3160059), (83, 2474745), (91, 2257185), (105, 1956227), (111, 1850485), (147, 1397305), (185, 1110291), (195, 1053353), (245, 838383), (249, 824915), (259, 793065), (273, 752395), (343, 598845), (415, 494949), (455, 451437), (481, 427035), (555, 370097), (581, 353535), (637, 322455), (735, 279461), (777, 264355), (1029, 199615), (1079, 190365), (1245, 164983), (1295, 158613), (1365, 150479), (1443, 142345), (1715, 119769), (1743, 117845), (1813, 113295), (1911, 107485), (2405, 85407), (2905, 70707), (3071, 66885), (3185, 64491), (3237, 63455), (3367, 61005), (3885, 52871), (4067, 50505), (4459, 46065), (5145, 39923), (5395, 38073), (5439, 37765), (7215, 28469), (7553, 27195), (8715, 23569), (9065, 22659), (9213, 22295), (9555, 21497), (10101, 20335), (12201, 16835), (12691, 16185), (13377, 15355)]