1285153947

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 2533579776

約数和(自身を除く): 1248425829

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 47, 51, 63, 77, 99, 119, 121, 141, 153, 187, 211, 231, 329, 357, 363, 423, 517, 561, 633, 693, 799, 847, 987, 1071, 1089, 1309, 1477, 1551, 1683, 1899, 2057, 2321, 2397, 2541, 2961, 3587, 3619, 3927, 4431, 4653, 5593, 5687, 6171, 6963, 7191, 7623, 8789, 9917, 10761, 10857, 11781, 13293, 14399, 16247, 16779, 17061, 18513, 20889, 25109, 25531, 26367, 29751, 32283, 32571, 39457, 39809, 43197, 48741, 50337, 51183, 61523, 69419, 75327, 76593, 79101, 89253, 96679, 109087, 118371, 119427, 129591, 146223, 168589, 178717, 184569, 208257, 225981, 229779, 276199, 290037, 327261, 355113, 358281, 434027, 505767, 536151, 553707, 624771, 676753, 763609, 828597, 870111, 981783, 1180123, 1199957, 1302081, 1517301, 1608453, 1854479, 2030259, 2290827, 2485791, 3038189, 3540369, 3599871, 3906243, 5563437, 6090777, 6872481, 8399699, 9114567, 10621107, 10799613, 12981353, 16690311, 20399269, 25199097, 27343701, 38944059, 61197807, 75597291, 116832177, 142794883, 183593421, 428384649, 1285153947]

約数ペア:

[(1, 1285153947), (3, 428384649), (7, 183593421), (9, 142794883), (11, 116832177), (17, 75597291), (21, 61197807), (33, 38944059), (47, 27343701), (51, 25199097), (63, 20399269), (77, 16690311), (99, 12981353), (119, 10799613), (121, 10621107), (141, 9114567), (153, 8399699), (187, 6872481), (211, 6090777), (231, 5563437), (329, 3906243), (357, 3599871), (363, 3540369), (423, 3038189), (517, 2485791), (561, 2290827), (633, 2030259), (693, 1854479), (799, 1608453), (847, 1517301), (987, 1302081), (1071, 1199957), (1089, 1180123), (1309, 981783), (1477, 870111), (1551, 828597), (1683, 763609), (1899, 676753), (2057, 624771), (2321, 553707), (2397, 536151), (2541, 505767), (2961, 434027), (3587, 358281), (3619, 355113), (3927, 327261), (4431, 290037), (4653, 276199), (5593, 229779), (5687, 225981), (6171, 208257), (6963, 184569), (7191, 178717), (7623, 168589), (8789, 146223), (9917, 129591), (10761, 119427), (10857, 118371), (11781, 109087), (13293, 96679), (14399, 89253), (16247, 79101), (16779, 76593), (17061, 75327), (18513, 69419), (20889, 61523), (25109, 51183), (25531, 50337), (26367, 48741), (29751, 43197), (32283, 39809), (32571, 39457)]