340444503

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 591566976

約数和(自身を除く): 251122473

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 83, 131, 147, 213, 249, 393, 441, 497, 581, 639, 747, 917, 1179, 1491, 1743, 2751, 3479, 4067, 4473, 5229, 5893, 6419, 8253, 9301, 10437, 10873, 12201, 17679, 19257, 27903, 31311, 32619, 36603, 41251, 53037, 57771, 65107, 76111, 83709, 97857, 123753, 195321, 228333, 288757, 371259, 455749, 532777, 585963, 684999, 771983, 866271, 1367247, 1598331, 2315949, 2598813, 4101741, 4794993, 5403881, 6947847, 16211643, 37827167, 48634929, 113481501, 340444503]

約数ペア:

[(1, 340444503), (3, 113481501), (7, 48634929), (9, 37827167), (21, 16211643), (49, 6947847), (63, 5403881), (71, 4794993), (83, 4101741), (131, 2598813), (147, 2315949), (213, 1598331), (249, 1367247), (393, 866271), (441, 771983), (497, 684999), (581, 585963), (639, 532777), (747, 455749), (917, 371259), (1179, 288757), (1491, 228333), (1743, 195321), (2751, 123753), (3479, 97857), (4067, 83709), (4473, 76111), (5229, 65107), (5893, 57771), (6419, 53037), (8253, 41251), (9301, 36603), (10437, 32619), (10873, 31311), (12201, 27903), (17679, 19257)]