209449317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{906707}}^1$

素因数の和:906728

約数の個数: 16

約数和(自身を含む): 348175872

約数和(自身を除く): 138726555

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 906707, 2720121, 6346949, 9973777, 19040847, 29921331, 69816439, 209449317]

約数ペア:

[(1, 209449317), (3, 69816439), (7, 29921331), (11, 19040847), (21, 9973777), (33, 6346949), (77, 2720121), (231, 906707)]