17804927

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:806

約数の個数: 16

約数和(自身を含む): 21235200

約数和(自身を除く): 3430273

約数列:

[1, 7, 29, 139, 203, 631, 973, 4031, 4417, 18299, 28217, 87709, 128093, 613963, 2543561, 17804927]

約数ペア:

[(1, 17804927), (7, 2543561), (29, 613963), (139, 128093), (203, 87709), (631, 28217), (973, 18299), (4031, 4417)]