287445279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{769}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 429327360

約数和(自身を除く): 141882081

約数列:

[1, 3, 11, 33, 47, 141, 241, 517, 723, 769, 1551, 2307, 2651, 7953, 8459, 11327, 25377, 33981, 36143, 108429, 124597, 185329, 373791, 397573, 555987, 1192719, 2038619, 6115857, 8710463, 26131389, 95815093, 287445279]

約数ペア:

[(1, 287445279), (3, 95815093), (11, 26131389), (33, 8710463), (47, 6115857), (141, 2038619), (241, 1192719), (517, 555987), (723, 397573), (769, 373791), (1551, 185329), (2307, 124597), (2651, 108429), (7953, 36143), (8459, 33981), (11327, 25377)]