219319947

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 433520640

約数和(自身を除く): 214200693

約数列:

[1, 3, 7, 9, 11, 21, 27, 31, 33, 41, 63, 77, 83, 93, 99, 123, 189, 217, 231, 249, 279, 287, 297, 341, 369, 451, 581, 651, 693, 747, 837, 861, 913, 1023, 1107, 1271, 1353, 1743, 1953, 2079, 2241, 2387, 2573, 2583, 2739, 3069, 3157, 3403, 3813, 4059, 5229, 5859, 6391, 7161, 7719, 7749, 8217, 8897, 9207, 9471, 10209, 11439, 12177, 13981, 15687, 18011, 19173, 21483, 23157, 23821, 24651, 26691, 28303, 28413, 30627, 34317, 37433, 41943, 54033, 57519, 64449, 69471, 71463, 80073, 84909, 85239, 91881, 97867, 105493, 112299, 125829, 162099, 172557, 198121, 214389, 240219, 254727, 262031, 293601, 316479, 336897, 377487, 486297, 594363, 643167, 738451, 764181, 786093, 880803, 949437, 1010691, 1160423, 1783089, 2215353, 2358279, 2642409, 2848311, 3481269, 5349267, 6646059, 7074837, 8122961, 10443807, 19938177, 24368883, 31331421, 73106649, 219319947]

約数ペア:

[(1, 219319947), (3, 73106649), (7, 31331421), (9, 24368883), (11, 19938177), (21, 10443807), (27, 8122961), (31, 7074837), (33, 6646059), (41, 5349267), (63, 3481269), (77, 2848311), (83, 2642409), (93, 2358279), (99, 2215353), (123, 1783089), (189, 1160423), (217, 1010691), (231, 949437), (249, 880803), (279, 786093), (287, 764181), (297, 738451), (341, 643167), (369, 594363), (451, 486297), (581, 377487), (651, 336897), (693, 316479), (747, 293601), (837, 262031), (861, 254727), (913, 240219), (1023, 214389), (1107, 198121), (1271, 172557), (1353, 162099), (1743, 125829), (1953, 112299), (2079, 105493), (2241, 97867), (2387, 91881), (2573, 85239), (2583, 84909), (2739, 80073), (3069, 71463), (3157, 69471), (3403, 64449), (3813, 57519), (4059, 54033), (5229, 41943), (5859, 37433), (6391, 34317), (7161, 30627), (7719, 28413), (7749, 28303), (8217, 26691), (8897, 24651), (9207, 23821), (9471, 23157), (10209, 21483), (11439, 19173), (12177, 18011), (13981, 15687)]