28143757785

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{305131}}^1$

素因数の和:305206

約数の個数: 64

約数和(自身を含む): 54132857856

約数和(自身を除く): 25989100071

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 43, 55, 65, 129, 143, 165, 195, 215, 429, 473, 559, 645, 715, 1419, 1677, 2145, 2365, 2795, 6149, 7095, 8385, 18447, 30745, 92235, 305131, 915393, 1525655, 3356441, 3966703, 4576965, 10069323, 11900109, 13120633, 16782205, 19833515, 39361899, 43633733, 50346615, 59500545, 65603165, 130901199, 144326963, 170568229, 196809495, 218168665, 432980889, 511704687, 654505995, 721634815, 852841145, 1876250519, 2164904445, 2558523435, 5628751557, 9381252595, 28143757785]

約数ペア:

[(1, 28143757785), (3, 9381252595), (5, 5628751557), (11, 2558523435), (13, 2164904445), (15, 1876250519), (33, 852841145), (39, 721634815), (43, 654505995), (55, 511704687), (65, 432980889), (129, 218168665), (143, 196809495), (165, 170568229), (195, 144326963), (215, 130901199), (429, 65603165), (473, 59500545), (559, 50346615), (645, 43633733), (715, 39361899), (1419, 19833515), (1677, 16782205), (2145, 13120633), (2365, 11900109), (2795, 10069323), (6149, 4576965), (7095, 3966703), (8385, 3356441), (18447, 1525655), (30745, 915393), (92235, 305131)]