28909803

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17239}}^1$

素因数の和:17298

約数の個数: 16

約数和(自身を含む): 42479360

約数和(自身を除く): 13569557

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 17239, 51717, 224107, 672321, 741277, 2223831, 9636601, 28909803]

約数ペア:

[(1, 28909803), (3, 9636601), (13, 2223831), (39, 741277), (43, 672321), (129, 224107), (559, 51717), (1677, 17239)]