2580513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 3741696

約数和(自身を除く): 1161183

約数列:

[1, 3, 13, 39, 127, 381, 521, 1563, 1651, 4953, 6773, 20319, 66167, 198501, 860171, 2580513]

約数ペア:

[(1, 2580513), (3, 860171), (13, 198501), (39, 66167), (127, 20319), (381, 6773), (521, 4953), (1563, 1651)]