257460579

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{328813}}^1$

素因数の和:328851

約数の個数: 16

約数和(自身を含む): 394576800

約数和(自身を除く): 137116221

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 328813, 986439, 2959317, 8877951, 9535577, 28606731, 85820193, 257460579]

約数ペア:

[(1, 257460579), (3, 85820193), (9, 28606731), (27, 9535577), (29, 8877951), (87, 2959317), (261, 986439), (783, 328813)]