257889879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{734729}}^1$

素因数の和:734751

約数の個数: 16

約数和(自身を含む): 411448800

約数和(自身を除く): 153558921

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 734729, 2204187, 6612561, 9551477, 19837683, 28654431, 85963293, 257889879]

約数ペア:

[(1, 257889879), (3, 85963293), (9, 28654431), (13, 19837683), (27, 9551477), (39, 6612561), (117, 2204187), (351, 734729)]