181997121

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{27241}}^1$

素因数の和:27392

約数の個数: 16

約数和(自身を含む): 258907968

約数和(自身を除く): 76910847

約数列:

[1, 3, 17, 51, 131, 393, 2227, 6681, 27241, 81723, 463097, 1389291, 3568571, 10705713, 60665707, 181997121]

約数ペア:

[(1, 181997121), (3, 60665707), (17, 10705713), (51, 3568571), (131, 1389291), (393, 463097), (2227, 81723), (6681, 27241)]