2989707

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 4915200

約数和(自身を除く): 1925493

約数列:

[1, 3, 7, 19, 21, 57, 59, 127, 133, 177, 381, 399, 413, 889, 1121, 1239, 2413, 2667, 3363, 7239, 7493, 7847, 16891, 22479, 23541, 50673, 52451, 142367, 157353, 427101, 996569, 2989707]

約数ペア:

[(1, 2989707), (3, 996569), (7, 427101), (19, 157353), (21, 142367), (57, 52451), (59, 50673), (127, 23541), (133, 22479), (177, 16891), (381, 7847), (399, 7493), (413, 7239), (889, 3363), (1121, 2667), (1239, 2413)]