17984337

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1987}}^1$

素因数の和:2428

約数の個数: 16

約数和(自身を含む): 27482112

約数和(自身を除く): 9497775

約数列:

[1, 3, 7, 21, 431, 1293, 1987, 3017, 5961, 9051, 13909, 41727, 856397, 2569191, 5994779, 17984337]

約数ペア:

[(1, 17984337), (3, 5994779), (7, 2569191), (21, 856397), (431, 41727), (1293, 13909), (1987, 9051), (3017, 5961)]