205217503749

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{11897}}^1$

素因数の和:12176

約数の個数: 80

約数和(自身を含む): 328380231168

約数和(自身を除く): 123162727419

約数列:

[1, 3, 9, 23, 27, 47, 69, 81, 141, 197, 207, 423, 591, 621, 1081, 1269, 1773, 1863, 3243, 3807, 4531, 5319, 9259, 9729, 11897, 13593, 15957, 27777, 29187, 35691, 40779, 83331, 87561, 107073, 122337, 212957, 249993, 273631, 321219, 367011, 559159, 638871, 749979, 820893, 963657, 1677477, 1916613, 2343709, 2462679, 5032431, 5749839, 7031127, 7388037, 12860657, 15097293, 17249517, 21093381, 22164111, 38581971, 45291879, 53905307, 63280143, 110154323, 115745913, 161715921, 189840429, 330462969, 347237739, 485147763, 991388907, 1041713217, 1455443289, 2533549429, 2974166721, 4366329867, 7600648287, 8922500163, 22801944861, 68405834583, 205217503749]

約数ペア:

[(1, 205217503749), (3, 68405834583), (9, 22801944861), (23, 8922500163), (27, 7600648287), (47, 4366329867), (69, 2974166721), (81, 2533549429), (141, 1455443289), (197, 1041713217), (207, 991388907), (423, 485147763), (591, 347237739), (621, 330462969), (1081, 189840429), (1269, 161715921), (1773, 115745913), (1863, 110154323), (3243, 63280143), (3807, 53905307), (4531, 45291879), (5319, 38581971), (9259, 22164111), (9729, 21093381), (11897, 17249517), (13593, 15097293), (15957, 12860657), (27777, 7388037), (29187, 7031127), (35691, 5749839), (40779, 5032431), (83331, 2462679), (87561, 2343709), (107073, 1916613), (122337, 1677477), (212957, 963657), (249993, 820893), (273631, 749979), (321219, 638871), (367011, 559159)]