201977391

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2707}}^1$

素因数の和:2764

約数の個数: 64

約数和(自身を含む): 374353920

約数和(自身を除く): 172376529

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 133, 187, 209, 231, 323, 357, 399, 561, 627, 969, 1309, 1463, 2261, 2707, 3553, 3927, 4389, 6783, 8121, 10659, 18949, 24871, 29777, 46019, 51433, 56847, 74613, 89331, 138057, 154299, 208439, 322133, 360031, 506209, 565763, 625317, 874361, 966399, 1080093, 1518627, 1697289, 2623083, 3543463, 3960341, 6120527, 9617971, 10630389, 11881023, 18361581, 28853913, 67325797, 201977391]

約数ペア:

[(1, 201977391), (3, 67325797), (7, 28853913), (11, 18361581), (17, 11881023), (19, 10630389), (21, 9617971), (33, 6120527), (51, 3960341), (57, 3543463), (77, 2623083), (119, 1697289), (133, 1518627), (187, 1080093), (209, 966399), (231, 874361), (323, 625317), (357, 565763), (399, 506209), (561, 360031), (627, 322133), (969, 208439), (1309, 154299), (1463, 138057), (2261, 89331), (2707, 74613), (3553, 56847), (3927, 51433), (4389, 46019), (6783, 29777), (8121, 24871), (10659, 18949)]