18381027

素因数分解:

$3^1\times 7^3\times {\mathrm{17863}}^1$

素因数の和:17887

約数の個数: 16

約数和(自身を含む): 28582400

約数和(自身を除く): 10201373

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 17863, 53589, 125041, 375123, 875287, 2625861, 6127009, 18381027]

約数ペア:

[(1, 18381027), (3, 6127009), (7, 2625861), (21, 875287), (49, 375123), (147, 125041), (343, 53589), (1029, 17863)]