2781317

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 3556224

約数和(自身を除く): 774907

約数列:

[1, 7, 11, 41, 77, 287, 451, 881, 3157, 6167, 9691, 36121, 67837, 252847, 397331, 2781317]

約数ペア:

[(1, 2781317), (7, 397331), (11, 252847), (41, 67837), (77, 36121), (287, 9691), (451, 6167), (881, 3157)]