208115151

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 299136000

約数和(自身を除く): 91020849

約数列:

[1, 3, 19, 57, 79, 113, 237, 339, 409, 1227, 1501, 2147, 4503, 6441, 7771, 8927, 23313, 26781, 32311, 46217, 96933, 138651, 169613, 508839, 613909, 878123, 1841727, 2634369, 3651143, 10953429, 69371717, 208115151]

約数ペア:

[(1, 208115151), (3, 69371717), (19, 10953429), (57, 3651143), (79, 2634369), (113, 1841727), (237, 878123), (339, 613909), (409, 508839), (1227, 169613), (1501, 138651), (2147, 96933), (4503, 46217), (6441, 32311), (7771, 26781), (8927, 23313)]