15681479

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{359}}^1$

素因数の和:419

約数の個数: 18

約数和(自身を含む): 18242280

約数和(自身を除く): 2560801

約数列:

[1, 11, 19, 121, 209, 359, 361, 2299, 3949, 3971, 6821, 43439, 43681, 75031, 129599, 825341, 1425589, 15681479]

約数ペア:

[(1, 15681479), (11, 1425589), (19, 825341), (121, 129599), (209, 75031), (359, 43681), (361, 43439), (2299, 6821), (3949, 3971)]