1081405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 1419264

約数和(自身を除く): 337859

約数列:

[1, 5, 13, 65, 127, 131, 635, 655, 1651, 1703, 8255, 8515, 16637, 83185, 216281, 1081405]

約数ペア:

[(1, 1081405), (5, 216281), (13, 83185), (65, 16637), (127, 8515), (131, 8255), (635, 1703), (655, 1651)]