505238877

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{823}}^1$

素因数の和:912

約数の個数: 80

約数和(自身を含む): 904514688

約数和(自身を除く): 399275811

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 53, 81, 99, 117, 143, 159, 297, 351, 429, 477, 583, 689, 823, 891, 1053, 1287, 1431, 1749, 2067, 2469, 3861, 4293, 5247, 6201, 7407, 7579, 9053, 10699, 11583, 15741, 18603, 22221, 22737, 27159, 32097, 43619, 47223, 55809, 66663, 68211, 81477, 96291, 117689, 130857, 204633, 244431, 288873, 353067, 392571, 479809, 567047, 613899, 733293, 866619, 1059201, 1177713, 1439427, 1701141, 3177603, 3533139, 4318281, 5103423, 6237517, 9532809, 12954843, 15310269, 18712551, 38864529, 45930807, 56137653, 168412959, 505238877]

約数ペア:

[(1, 505238877), (3, 168412959), (9, 56137653), (11, 45930807), (13, 38864529), (27, 18712551), (33, 15310269), (39, 12954843), (53, 9532809), (81, 6237517), (99, 5103423), (117, 4318281), (143, 3533139), (159, 3177603), (297, 1701141), (351, 1439427), (429, 1177713), (477, 1059201), (583, 866619), (689, 733293), (823, 613899), (891, 567047), (1053, 479809), (1287, 392571), (1431, 353067), (1749, 288873), (2067, 244431), (2469, 204633), (3861, 130857), (4293, 117689), (5247, 96291), (6201, 81477), (7407, 68211), (7579, 66663), (9053, 55809), (10699, 47223), (11583, 43619), (15741, 32097), (18603, 27159), (22221, 22737)]