121215885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 233501184

約数和(自身を除く): 112285299

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 41, 105, 111, 123, 185, 205, 259, 287, 555, 615, 761, 777, 861, 1295, 1435, 1517, 2283, 3805, 3885, 4305, 4551, 5327, 7585, 10619, 11415, 15981, 22755, 26635, 28157, 31201, 31857, 53095, 79905, 84471, 93603, 140785, 156005, 159285, 197099, 218407, 422355, 468015, 591297, 655221, 985495, 1092035, 1154437, 2956485, 3276105, 3463311, 5772185, 8081059, 17316555, 24243177, 40405295, 121215885]

約数ペア:

[(1, 121215885), (3, 40405295), (5, 24243177), (7, 17316555), (15, 8081059), (21, 5772185), (35, 3463311), (37, 3276105), (41, 2956485), (105, 1154437), (111, 1092035), (123, 985495), (185, 655221), (205, 591297), (259, 468015), (287, 422355), (555, 218407), (615, 197099), (761, 159285), (777, 156005), (861, 140785), (1295, 93603), (1435, 84471), (1517, 79905), (2283, 53095), (3805, 31857), (3885, 31201), (4305, 28157), (4551, 26635), (5327, 22755), (7585, 15981), (10619, 11415)]