81784263

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 131574240

約数和(自身を除く): 49789977

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 121, 187, 319, 363, 457, 493, 561, 957, 1371, 1479, 2057, 3509, 5027, 5423, 6171, 7769, 10527, 13253, 15081, 16269, 23307, 39759, 55297, 59653, 85459, 145783, 165891, 178959, 225301, 256377, 437349, 675903, 940049, 1603613, 2478311, 2820147, 4810839, 7434933, 27261421, 81784263]

約数ペア:

[(1, 81784263), (3, 27261421), (11, 7434933), (17, 4810839), (29, 2820147), (33, 2478311), (51, 1603613), (87, 940049), (121, 675903), (187, 437349), (319, 256377), (363, 225301), (457, 178959), (493, 165891), (561, 145783), (957, 85459), (1371, 59653), (1479, 55297), (2057, 39759), (3509, 23307), (5027, 16269), (5423, 15081), (6171, 13253), (7769, 10527)]