205778661

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^2\times {\mathrm{1237}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 303834912

約数和(自身を除く): 98056251

約数列:

[1, 3, 11, 33, 71, 213, 781, 1237, 2343, 3711, 5041, 13607, 15123, 40821, 55451, 87827, 166353, 263481, 966097, 2898291, 6235717, 18707151, 68592887, 205778661]

約数ペア:

[(1, 205778661), (3, 68592887), (11, 18707151), (33, 6235717), (71, 2898291), (213, 966097), (781, 263481), (1237, 166353), (2343, 87827), (3711, 55451), (5041, 40821), (13607, 15123)]