1995981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{839}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 2916480

約数和(自身を除く): 920499

約数列:

[1, 3, 13, 39, 61, 183, 793, 839, 2379, 2517, 10907, 32721, 51179, 153537, 665327, 1995981]

約数ペア:

[(1, 1995981), (3, 665327), (13, 153537), (39, 51179), (61, 32721), (183, 10907), (793, 2517), (839, 2379)]