291208689

素因数分解:

$3^4\times {\mathrm{1721}}^1\times {\mathrm{2089}}^1$

素因数の和:3822

約数の個数: 20

約数和(自身を含む): 435476580

約数和(自身を除く): 144267891

約数列:

[1, 3, 9, 27, 81, 1721, 2089, 5163, 6267, 15489, 18801, 46467, 56403, 139401, 169209, 3595169, 10785507, 32356521, 97069563, 291208689]

約数ペア:

[(1, 291208689), (3, 97069563), (9, 32356521), (27, 10785507), (81, 3595169), (1721, 169209), (2089, 139401), (5163, 56403), (6267, 46467), (15489, 18801)]