409396005

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{21817}}^1$

素因数の和:21970

約数の個数: 32

約数和(自身を含む): 733084800

約数和(自身を除く): 323688795

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255, 18765, 21817, 65451, 109085, 196353, 327255, 589059, 981765, 2945295, 3032563, 9097689, 15162815, 27293067, 45488445, 81879201, 136465335, 409396005]

約数ペア:

[(1, 409396005), (3, 136465335), (5, 81879201), (9, 45488445), (15, 27293067), (27, 15162815), (45, 9097689), (135, 3032563), (139, 2945295), (417, 981765), (695, 589059), (1251, 327255), (2085, 196353), (3753, 109085), (6255, 65451), (18765, 21817)]