201719931

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^2\times {\mathrm{839}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 310652160

約数和(自身を除く): 108932229

約数列:

[1, 3, 7, 21, 107, 321, 749, 839, 2247, 2517, 5873, 11449, 17619, 34347, 80143, 89773, 240429, 269319, 628411, 1885233, 9605711, 28817133, 67239977, 201719931]

約数ペア:

[(1, 201719931), (3, 67239977), (7, 28817133), (21, 9605711), (107, 1885233), (321, 628411), (749, 269319), (839, 240429), (2247, 89773), (2517, 80143), (5873, 34347), (11449, 17619)]