17922891

素因数分解:

$3^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1307}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 27373824

約数和(自身を除く): 9450933

約数列:

[1, 3, 7, 21, 653, 1307, 1959, 3921, 4571, 9149, 13713, 27447, 853471, 2560413, 5974297, 17922891]

約数ペア:

[(1, 17922891), (3, 5974297), (7, 2560413), (21, 853471), (653, 27447), (1307, 13713), (1959, 9149), (3921, 4571)]