856916943

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{390751}}^1$

素因数の和:390814

約数の個数: 16

約数和(自身を含む): 1237902336

約数和(自身を除く): 380985393

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 390751, 1172253, 6642767, 16802293, 19928301, 50406879, 285638981, 856916943]

約数ペア:

[(1, 856916943), (3, 285638981), (17, 50406879), (43, 19928301), (51, 16802293), (129, 6642767), (731, 1172253), (2193, 390751)]