208889343

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{6947}}^1$

素因数の和:7223

約数の個数: 24

約数和(自身を含む): 326250288

約数和(自身を除く): 117360945

約数列:

[1, 3, 9, 13, 39, 117, 257, 771, 2313, 3341, 6947, 10023, 20841, 30069, 62523, 90311, 270933, 812799, 1785379, 5356137, 16068411, 23209927, 69629781, 208889343]

約数ペア:

[(1, 208889343), (3, 69629781), (9, 23209927), (13, 16068411), (39, 5356137), (117, 1785379), (257, 812799), (771, 270933), (2313, 90311), (3341, 62523), (6947, 30069), (10023, 20841)]