81513894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3329}}^1$

素因数の和:3405

約数の個数: 64

約数和(自身を含む): 207152640

約数和(自身を除く): 125638746

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 53, 66, 77, 106, 154, 159, 231, 318, 371, 462, 583, 742, 1113, 1166, 1749, 2226, 3329, 3498, 4081, 6658, 8162, 9987, 12243, 19974, 23303, 24486, 36619, 46606, 69909, 73238, 109857, 139818, 176437, 219714, 256333, 352874, 512666, 529311, 768999, 1058622, 1235059, 1537998, 1940807, 2470118, 3705177, 3881614, 5822421, 7410354, 11644842, 13585649, 27171298, 40756947, 81513894]

約数ペア:

[(1, 81513894), (2, 40756947), (3, 27171298), (6, 13585649), (7, 11644842), (11, 7410354), (14, 5822421), (21, 3881614), (22, 3705177), (33, 2470118), (42, 1940807), (53, 1537998), (66, 1235059), (77, 1058622), (106, 768999), (154, 529311), (159, 512666), (231, 352874), (318, 256333), (371, 219714), (462, 176437), (583, 139818), (742, 109857), (1113, 73238), (1166, 69909), (1749, 46606), (2226, 36619), (3329, 24486), (3498, 23303), (4081, 19974), (6658, 12243), (8162, 9987)]