67929981

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{75227}}^1$

素因数の和:75280

約数の個数: 16

約数和(自身を含む): 105921024

約数和(自身を除く): 37991043

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 75227, 225681, 526589, 1579767, 3234761, 9704283, 22643327, 67929981]

約数ペア:

[(1, 67929981), (3, 22643327), (7, 9704283), (21, 3234761), (43, 1579767), (129, 526589), (301, 225681), (903, 75227)]