207987703

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{385877}}^1$

素因数の和:385902

約数の個数: 12

約数和(自身を含む): 263940552

約数和(自身を除く): 55952849

約数列:

[1, 7, 11, 49, 77, 539, 385877, 2701139, 4244647, 18907973, 29712529, 207987703]

約数ペア:

[(1, 207987703), (7, 29712529), (11, 18907973), (49, 4244647), (77, 2701139), (539, 385877)]