68278749

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{17387}}^1$

素因数の和:17425

約数の個数: 32

約数和(自身を含む): 120185856

約数和(自身を除く): 51907107

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 17387, 52161, 121709, 191257, 295579, 365127, 573771, 886737, 1338799, 2069053, 3251369, 4016397, 6207159, 9754107, 22759583, 68278749]

約数ペア:

[(1, 68278749), (3, 22759583), (7, 9754107), (11, 6207159), (17, 4016397), (21, 3251369), (33, 2069053), (51, 1338799), (77, 886737), (119, 573771), (187, 365127), (231, 295579), (357, 191257), (561, 121709), (1309, 52161), (3927, 17387)]