81583047

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 96

約数和(自身を含む): 155990016

約数和(自身を除く): 74406969

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 61, 63, 69, 71, 91, 117, 161, 183, 207, 213, 273, 299, 427, 483, 497, 549, 639, 793, 819, 897, 923, 1281, 1403, 1449, 1491, 1633, 2093, 2379, 2691, 2769, 3843, 4209, 4331, 4473, 4899, 5551, 6279, 6461, 7137, 8307, 9821, 11431, 12627, 12993, 14697, 16653, 18239, 18837, 19383, 21229, 29463, 30317, 34293, 38979, 49959, 54717, 56303, 58149, 63687, 88389, 90951, 99613, 102879, 127673, 148603, 164151, 168909, 191061, 272853, 298839, 383019, 394121, 445809, 506727, 697291, 896517, 1149057, 1182363, 1294969, 1337427, 2091873, 3547089, 3884907, 6275619, 9064783, 11654721, 27194349, 81583047]

約数ペア:

[(1, 81583047), (3, 27194349), (7, 11654721), (9, 9064783), (13, 6275619), (21, 3884907), (23, 3547089), (39, 2091873), (61, 1337427), (63, 1294969), (69, 1182363), (71, 1149057), (91, 896517), (117, 697291), (161, 506727), (183, 445809), (207, 394121), (213, 383019), (273, 298839), (299, 272853), (427, 191061), (483, 168909), (497, 164151), (549, 148603), (639, 127673), (793, 102879), (819, 99613), (897, 90951), (923, 88389), (1281, 63687), (1403, 58149), (1449, 56303), (1491, 54717), (1633, 49959), (2093, 38979), (2379, 34293), (2691, 30317), (2769, 29463), (3843, 21229), (4209, 19383), (4331, 18837), (4473, 18239), (4899, 16653), (5551, 14697), (6279, 12993), (6461, 12627), (7137, 11431), (8307, 9821)]