90738837

素因数分解:

$3^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 160838496

約数和(自身を除く): 70099659

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 67, 83, 111, 147, 201, 249, 259, 333, 441, 469, 581, 603, 747, 777, 1407, 1743, 1813, 2331, 2479, 3071, 3283, 4067, 4221, 5229, 5439, 5561, 7437, 9213, 9849, 12201, 16317, 16683, 17353, 21497, 22311, 27639, 29547, 36603, 38927, 50049, 52059, 64491, 116781, 121471, 150479, 156177, 193473, 205757, 272489, 350343, 364413, 451437, 617271, 817467, 1093239, 1354311, 1440299, 1851813, 2452401, 4320897, 10082093, 12962691, 30246279, 90738837]

約数ペア:

[(1, 90738837), (3, 30246279), (7, 12962691), (9, 10082093), (21, 4320897), (37, 2452401), (49, 1851813), (63, 1440299), (67, 1354311), (83, 1093239), (111, 817467), (147, 617271), (201, 451437), (249, 364413), (259, 350343), (333, 272489), (441, 205757), (469, 193473), (581, 156177), (603, 150479), (747, 121471), (777, 116781), (1407, 64491), (1743, 52059), (1813, 50049), (2331, 38927), (2479, 36603), (3071, 29547), (3283, 27639), (4067, 22311), (4221, 21497), (5229, 17353), (5439, 16683), (5561, 16317), (7437, 12201), (9213, 9849)]