2720391

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1362

約数の個数: 16

約数和(自身を含む): 3937248

約数和(自身を除く): 1216857

約数列:

[1, 3, 17, 41, 51, 123, 697, 1301, 2091, 3903, 22117, 53341, 66351, 160023, 906797, 2720391]

約数ペア:

[(1, 2720391), (3, 906797), (17, 160023), (41, 66351), (51, 53341), (123, 22117), (697, 3903), (1301, 2091)]