138045005

素因数分解:

$5^1\times 7^2\times {\mathrm{563449}}^1$

素因数の和:563468

約数の個数: 12

約数和(自身を含む): 192699900

約数和(自身を除く): 54654895

約数列:

[1, 5, 7, 35, 49, 245, 563449, 2817245, 3944143, 19720715, 27609001, 138045005]

約数ペア:

[(1, 138045005), (5, 27609001), (7, 19720715), (35, 3944143), (49, 2817245), (245, 563449)]