81782085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 169456896

約数和(自身を除く): 87674811

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 41, 55, 77, 105, 121, 123, 157, 165, 205, 231, 287, 363, 385, 451, 471, 605, 615, 785, 847, 861, 1099, 1155, 1353, 1435, 1727, 1815, 2255, 2355, 2541, 3157, 3297, 4235, 4305, 4961, 5181, 5495, 6437, 6765, 8635, 9471, 12089, 12705, 14883, 15785, 16485, 18997, 19311, 24805, 25905, 32185, 34727, 36267, 45059, 47355, 56991, 60445, 70807, 74415, 94985, 96555, 104181, 132979, 135177, 173635, 181335, 212421, 225295, 284955, 354035, 398937, 495649, 520905, 664895, 675885, 778877, 1062105, 1486947, 1994685, 2336631, 2478245, 3894385, 5452139, 7434735, 11683155, 16356417, 27260695, 81782085]

約数ペア:

[(1, 81782085), (3, 27260695), (5, 16356417), (7, 11683155), (11, 7434735), (15, 5452139), (21, 3894385), (33, 2478245), (35, 2336631), (41, 1994685), (55, 1486947), (77, 1062105), (105, 778877), (121, 675885), (123, 664895), (157, 520905), (165, 495649), (205, 398937), (231, 354035), (287, 284955), (363, 225295), (385, 212421), (451, 181335), (471, 173635), (605, 135177), (615, 132979), (785, 104181), (847, 96555), (861, 94985), (1099, 74415), (1155, 70807), (1353, 60445), (1435, 56991), (1727, 47355), (1815, 45059), (2255, 36267), (2355, 34727), (2541, 32185), (3157, 25905), (3297, 24805), (4235, 19311), (4305, 18997), (4961, 16485), (5181, 15785), (5495, 14883), (6437, 12705), (6765, 12089), (8635, 9471)]