56281389

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{1153}}^1$

素因数の和:1516

約数の個数: 16

約数和(自身を含む): 76773312

約数和(自身を除く): 20491923

約数列:

[1, 3, 53, 159, 307, 921, 1153, 3459, 16271, 48813, 61109, 183327, 353971, 1061913, 18760463, 56281389]

約数ペア:

[(1, 56281389), (3, 18760463), (53, 1061913), (159, 353971), (307, 183327), (921, 61109), (1153, 48813), (3459, 16271)]