69540471

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:154

約数の個数: 128

約数和(自身を含む): 144506880

約数和(自身を除く): 74966409

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 31, 33, 39, 63, 77, 83, 91, 93, 99, 117, 143, 189, 217, 231, 249, 273, 279, 297, 341, 351, 403, 429, 581, 651, 693, 747, 819, 837, 913, 1001, 1023, 1079, 1209, 1287, 1743, 1953, 2079, 2241, 2387, 2457, 2573, 2739, 2821, 3003, 3069, 3237, 3627, 3861, 4433, 5229, 5859, 6391, 7161, 7553, 7719, 8217, 8463, 9009, 9207, 9711, 10881, 11869, 13299, 15687, 18011, 19173, 21483, 22659, 23157, 24651, 25389, 27027, 28303, 29133, 31031, 33449, 35607, 39897, 54033, 57519, 64449, 67977, 69471, 76167, 83083, 84909, 93093, 100347, 106821, 119691, 162099, 172557, 198121, 203931, 234143, 249249, 254727, 279279, 301041, 320463, 367939, 486297, 594363, 702429, 747747, 764181, 837837, 903123, 1103817, 1783089, 2107287, 2243241, 2575573, 3311451, 5349267, 6321861, 7726719, 9934353, 23180157, 69540471]

約数ペア:

[(1, 69540471), (3, 23180157), (7, 9934353), (9, 7726719), (11, 6321861), (13, 5349267), (21, 3311451), (27, 2575573), (31, 2243241), (33, 2107287), (39, 1783089), (63, 1103817), (77, 903123), (83, 837837), (91, 764181), (93, 747747), (99, 702429), (117, 594363), (143, 486297), (189, 367939), (217, 320463), (231, 301041), (249, 279279), (273, 254727), (279, 249249), (297, 234143), (341, 203931), (351, 198121), (403, 172557), (429, 162099), (581, 119691), (651, 106821), (693, 100347), (747, 93093), (819, 84909), (837, 83083), (913, 76167), (1001, 69471), (1023, 67977), (1079, 64449), (1209, 57519), (1287, 54033), (1743, 39897), (1953, 35607), (2079, 33449), (2241, 31031), (2387, 29133), (2457, 28303), (2573, 27027), (2739, 25389), (2821, 24651), (3003, 23157), (3069, 22659), (3237, 21483), (3627, 19173), (3861, 18011), (4433, 15687), (5229, 13299), (5859, 11869), (6391, 10881), (7161, 9711), (7553, 9207), (7719, 9009), (8217, 8463)]