17909667

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1741}}^1$

素因数の和:1880

約数の個数: 20

約数和(自身を含む): 26980096

約数和(自身を除く): 9070429

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1741, 3429, 5223, 10287, 15669, 47007, 141021, 221107, 663321, 1989963, 5969889, 17909667]

約数ペア:

[(1, 17909667), (3, 5969889), (9, 1989963), (27, 663321), (81, 221107), (127, 141021), (381, 47007), (1143, 15669), (1741, 10287), (3429, 5223)]