257091543

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{63059}}^1$

素因数の和:63219

約数の個数: 16

約数和(自身を含む): 383404800

約数和(自身を除く): 126313257

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 63059, 189177, 567531, 1702593, 9521909, 28565727, 85697181, 257091543]

約数ペア:

[(1, 257091543), (3, 85697181), (9, 28565727), (27, 9521909), (151, 1702593), (453, 567531), (1359, 189177), (4077, 63059)]