20171890431

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{50273}}^1$

素因数の和:50493

約数の個数: 64

約数和(自身を含む): 37452119040

約数和(自身を除く): 17280228609

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 193, 231, 297, 579, 693, 1351, 1737, 2079, 2123, 4053, 5211, 6369, 12159, 14861, 19107, 36477, 44583, 50273, 57321, 133749, 150819, 351911, 401247, 452457, 553003, 1055733, 1357371, 1659009, 3167199, 3871021, 4977027, 9501597, 9702689, 11613063, 14931081, 29108067, 34839189, 67918823, 87324201, 104517567, 106729579, 203756469, 261972603, 320188737, 611269407, 747107053, 960566211, 1833808221, 2241321159, 2881698633, 6723963477, 20171890431]

約数ペア:

[(1, 20171890431), (3, 6723963477), (7, 2881698633), (9, 2241321159), (11, 1833808221), (21, 960566211), (27, 747107053), (33, 611269407), (63, 320188737), (77, 261972603), (99, 203756469), (189, 106729579), (193, 104517567), (231, 87324201), (297, 67918823), (579, 34839189), (693, 29108067), (1351, 14931081), (1737, 11613063), (2079, 9702689), (2123, 9501597), (4053, 4977027), (5211, 3871021), (6369, 3167199), (12159, 1659009), (14861, 1357371), (19107, 1055733), (36477, 553003), (44583, 452457), (50273, 401247), (57321, 351911), (133749, 150819)]