201537721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{277}}^1\times {\mathrm{859}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 254381120

約数和(自身を除く): 52843399

約数列:

[1, 7, 11, 77, 121, 277, 847, 859, 1939, 3047, 6013, 9449, 21329, 33517, 66143, 103939, 234619, 237943, 727573, 1665601, 2617373, 18321611, 28791103, 201537721]

約数ペア:

[(1, 201537721), (7, 28791103), (11, 18321611), (77, 2617373), (121, 1665601), (277, 727573), (847, 237943), (859, 234619), (1939, 103939), (3047, 66143), (6013, 33517), (9449, 21329)]