643280019

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1\times {\mathrm{4783}}^1$

素因数の和:5266

約数の個数: 16

約数和(自身を含む): 867090432

約数和(自身を除く): 223810413

約数列:

[1, 3, 127, 353, 381, 1059, 4783, 14349, 44831, 134493, 607441, 1688399, 1822323, 5065197, 214426673, 643280019]

約数ペア:

[(1, 643280019), (3, 214426673), (127, 5065197), (353, 1822323), (381, 1688399), (1059, 607441), (4783, 134493), (14349, 44831)]