20171823

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1471}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 30806016

約数和(自身を除く): 10634193

約数列:

[1, 3, 7, 21, 653, 1471, 1959, 4413, 4571, 10297, 13713, 30891, 960563, 2881689, 6723941, 20171823]

約数ペア:

[(1, 20171823), (3, 6723941), (7, 2881689), (21, 960563), (653, 30891), (1471, 13713), (1959, 10297), (4413, 4571)]