208077921

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{467}}^1\times {\mathrm{1597}}^1$

素因数の和:2101

約数の個数: 24

約数和(自身を含む): 311111424

約数和(自身を除く): 103033503

約数列:

[1, 3, 9, 31, 93, 279, 467, 1401, 1597, 4203, 4791, 14373, 14477, 43431, 49507, 130293, 148521, 445563, 745799, 2237397, 6712191, 23119769, 69359307, 208077921]

約数ペア:

[(1, 208077921), (3, 69359307), (9, 23119769), (31, 6712191), (93, 2237397), (279, 745799), (467, 445563), (1401, 148521), (1597, 130293), (4203, 49507), (4791, 43431), (14373, 14477)]