2003691

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 2833920

約数和(自身を除く): 830229

約数列:

[1, 3, 23, 69, 71, 213, 409, 1227, 1633, 4899, 9407, 28221, 29039, 87117, 667897, 2003691]

約数ペア:

[(1, 2003691), (3, 667897), (23, 87117), (69, 29039), (71, 28221), (213, 9407), (409, 4899), (1227, 1633)]