51721059

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 78776320

約数和(自身を除く): 27055261

約数列:

[1, 3, 13, 19, 39, 57, 223, 247, 313, 669, 741, 939, 2899, 4069, 4237, 5947, 8697, 12207, 12711, 17841, 55081, 69799, 77311, 165243, 209397, 231933, 907387, 1326181, 2722161, 3978543, 17240353, 51721059]

約数ペア:

[(1, 51721059), (3, 17240353), (13, 3978543), (19, 2722161), (39, 1326181), (57, 907387), (223, 231933), (247, 209397), (313, 165243), (669, 77311), (741, 69799), (939, 55081), (2899, 17841), (4069, 12711), (4237, 12207), (5947, 8697)]