210322287

素因数分解:

$3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 354844672

約数和(自身を除く): 144522385

約数列:

[1, 3, 7, 9, 21, 63, 97, 127, 271, 291, 381, 679, 813, 873, 889, 1143, 1897, 2037, 2439, 2667, 5691, 6111, 8001, 12319, 17073, 26287, 34417, 36957, 78861, 86233, 103251, 110871, 184009, 236583, 240919, 258699, 309753, 552027, 722757, 776097, 1656081, 2168271, 3338449, 10015347, 23369143, 30046041, 70107429, 210322287]

約数ペア:

[(1, 210322287), (3, 70107429), (7, 30046041), (9, 23369143), (21, 10015347), (63, 3338449), (97, 2168271), (127, 1656081), (271, 776097), (291, 722757), (381, 552027), (679, 309753), (813, 258699), (873, 240919), (889, 236583), (1143, 184009), (1897, 110871), (2037, 103251), (2439, 86233), (2667, 78861), (5691, 36957), (6111, 34417), (8001, 26287), (12319, 17073)]