201788321

素因数分解:

$7^2\times {\mathrm{109}}^1\times {\mathrm{37781}}^1$

素因数の和:37904

約数の個数: 12

約数和(自身を含む): 236893140

約数和(自身を除く): 35104819

約数列:

[1, 7, 49, 109, 763, 5341, 37781, 264467, 1851269, 4118129, 28826903, 201788321]

約数ペア:

[(1, 201788321), (7, 28826903), (49, 4118129), (109, 1851269), (763, 264467), (5341, 37781)]