813021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 1202688

約数和(自身を除く): 389667

約数列:

[1, 3, 11, 33, 71, 213, 347, 781, 1041, 2343, 3817, 11451, 24637, 73911, 271007, 813021]

約数ペア:

[(1, 813021), (3, 271007), (11, 73911), (33, 24637), (71, 11451), (213, 3817), (347, 2343), (781, 1041)]