13240689

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 23261184

約数和(自身を除く): 10020495

約数列:

[1, 3, 7, 11, 21, 31, 33, 43, 77, 93, 129, 217, 231, 301, 341, 473, 651, 903, 1023, 1333, 1419, 1849, 2387, 3311, 3999, 5547, 7161, 9331, 9933, 12943, 14663, 20339, 27993, 38829, 43989, 57319, 61017, 102641, 142373, 171957, 307923, 401233, 427119, 630509, 1203699, 1891527, 4413563, 13240689]

約数ペア:

[(1, 13240689), (3, 4413563), (7, 1891527), (11, 1203699), (21, 630509), (31, 427119), (33, 401233), (43, 307923), (77, 171957), (93, 142373), (129, 102641), (217, 61017), (231, 57319), (301, 43989), (341, 38829), (473, 27993), (651, 20339), (903, 14663), (1023, 12943), (1333, 9933), (1419, 9331), (1849, 7161), (2387, 5547), (3311, 3999)]