27980766

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 72

約数和(自身を含む): 69090840

約数和(自身を除く): 41110074

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 121, 174, 198, 242, 261, 319, 363, 443, 522, 638, 726, 886, 957, 1089, 1329, 1914, 2178, 2658, 2871, 3509, 3987, 4873, 5742, 7018, 7974, 9746, 10527, 12847, 14619, 21054, 25694, 29238, 31581, 38541, 43857, 53603, 63162, 77082, 87714, 107206, 115623, 141317, 160809, 231246, 282634, 321618, 423951, 482427, 847902, 964854, 1271853, 1554487, 2543706, 3108974, 4663461, 9326922, 13990383, 27980766]

約数ペア:

[(1, 27980766), (2, 13990383), (3, 9326922), (6, 4663461), (9, 3108974), (11, 2543706), (18, 1554487), (22, 1271853), (29, 964854), (33, 847902), (58, 482427), (66, 423951), (87, 321618), (99, 282634), (121, 231246), (174, 160809), (198, 141317), (242, 115623), (261, 107206), (319, 87714), (363, 77082), (443, 63162), (522, 53603), (638, 43857), (726, 38541), (886, 31581), (957, 29238), (1089, 25694), (1329, 21054), (1914, 14619), (2178, 12847), (2658, 10527), (2871, 9746), (3509, 7974), (3987, 7018), (4873, 5742)]