207988781

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29683}}^1$

素因数の和:29721

約数の個数: 24

約数和(自身を含む): 284253984

約数和(自身を除く): 76265203

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 7007, 29683, 207781, 326513, 385879, 1454467, 2285591, 2701153, 4244669, 15999137, 18908071, 29712683, 207988781]

約数ペア:

[(1, 207988781), (7, 29712683), (11, 18908071), (13, 15999137), (49, 4244669), (77, 2701153), (91, 2285591), (143, 1454467), (539, 385879), (637, 326513), (1001, 207781), (7007, 29683)]