51123105

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 100212840

約数和(自身を除く): 49089735

約数列:

[1, 3, 5, 9, 11, 15, 33, 41, 45, 55, 99, 121, 123, 165, 205, 229, 363, 369, 451, 495, 605, 615, 687, 1089, 1145, 1353, 1815, 1845, 2061, 2255, 2519, 3435, 4059, 4961, 5445, 6765, 7557, 9389, 10305, 12595, 14883, 20295, 22671, 24805, 27709, 28167, 37785, 44649, 46945, 74415, 83127, 84501, 103279, 113355, 138545, 140835, 223245, 249381, 309837, 415635, 422505, 516395, 929511, 1136069, 1246905, 1549185, 3408207, 4647555, 5680345, 10224621, 17041035, 51123105]

約数ペア:

[(1, 51123105), (3, 17041035), (5, 10224621), (9, 5680345), (11, 4647555), (15, 3408207), (33, 1549185), (41, 1246905), (45, 1136069), (55, 929511), (99, 516395), (121, 422505), (123, 415635), (165, 309837), (205, 249381), (229, 223245), (363, 140835), (369, 138545), (451, 113355), (495, 103279), (605, 84501), (615, 83127), (687, 74415), (1089, 46945), (1145, 44649), (1353, 37785), (1815, 28167), (1845, 27709), (2061, 24805), (2255, 22671), (2519, 20295), (3435, 14883), (4059, 12595), (4961, 10305), (5445, 9389), (6765, 7557)]