289479939

素因数分解:

$3^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{19949}}^1$

素因数の和:20650

約数の個数: 16

約数和(自身を含む): 441772800

約数和(自身を除く): 152292861

約数列:

[1, 3, 7, 21, 691, 2073, 4837, 14511, 19949, 59847, 139643, 418929, 13784759, 41354277, 96493313, 289479939]

約数ペア:

[(1, 289479939), (3, 96493313), (7, 41354277), (21, 13784759), (691, 418929), (2073, 139643), (4837, 59847), (14511, 19949)]