315784413

素因数分解:

$3^4\times 7^1\times {\mathrm{556939}}^1$

素因数の和:556958

約数の個数: 20

約数和(自身を含む): 539117920

約数和(自身を除く): 223333507

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 556939, 1670817, 3898573, 5012451, 11695719, 15037353, 35087157, 45112059, 105261471, 315784413]

約数ペア:

[(1, 315784413), (3, 105261471), (7, 45112059), (9, 35087157), (21, 15037353), (27, 11695719), (63, 5012451), (81, 3898573), (189, 1670817), (567, 556939)]