4781991

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:750

約数の個数: 16

約数和(自身を含む): 6656384

約数和(自身を除く): 1874393

約数列:

[1, 3, 37, 67, 111, 201, 643, 1929, 2479, 7437, 23791, 43081, 71373, 129243, 1593997, 4781991]

約数ペア:

[(1, 4781991), (3, 1593997), (37, 129243), (67, 71373), (111, 43081), (201, 23791), (643, 7437), (1929, 2479)]