27974639

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 39004416

約数和(自身を除く): 11029777

約数列:

[1, 7, 11, 17, 43, 49, 71, 77, 119, 187, 301, 473, 497, 539, 731, 781, 833, 1207, 1309, 2107, 3053, 3311, 3479, 5117, 5467, 8041, 8449, 9163, 13277, 21371, 23177, 33583, 35819, 38269, 51901, 56287, 59143, 92939, 149597, 235081, 363307, 394009, 570911, 650573, 1645567, 2543149, 3996377, 27974639]

約数ペア:

[(1, 27974639), (7, 3996377), (11, 2543149), (17, 1645567), (43, 650573), (49, 570911), (71, 394009), (77, 363307), (119, 235081), (187, 149597), (301, 92939), (473, 59143), (497, 56287), (539, 51901), (731, 38269), (781, 35819), (833, 33583), (1207, 23177), (1309, 21371), (2107, 13277), (3053, 9163), (3311, 8449), (3479, 8041), (5117, 5467)]