51519321

素因数分解:

$3^4\times 7^1\times {\mathrm{90863}}^1$

素因数の和:90882

約数の個数: 20

約数和(自身を含む): 87956352

約数和(自身を除く): 36437031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 90863, 272589, 636041, 817767, 1908123, 2453301, 5724369, 7359903, 17173107, 51519321]

約数ペア:

[(1, 51519321), (3, 17173107), (7, 7359903), (9, 5724369), (21, 2453301), (27, 1908123), (63, 817767), (81, 636041), (189, 272589), (567, 90863)]