208229889

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20113}}^1$

素因数の和:20169

約数の個数: 32

約数和(自身を含む): 347569920

約数和(自身を除く): 139340031

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 20113, 60339, 140791, 341921, 422373, 583277, 1025763, 1749831, 2393447, 4082939, 7180341, 9915709, 12248817, 29747127, 69409963, 208229889]

約数ペア:

[(1, 208229889), (3, 69409963), (7, 29747127), (17, 12248817), (21, 9915709), (29, 7180341), (51, 4082939), (87, 2393447), (119, 1749831), (203, 1025763), (357, 583277), (493, 422373), (609, 341921), (1479, 140791), (3451, 60339), (10353, 20113)]