318804903

素因数分解:

$3^4\times {\mathrm{197}}^1\times {\mathrm{19979}}^1$

素因数の和:20188

約数の個数: 20

約数和(自身を含む): 478680840

約数和(自身を除く): 159875937

約数列:

[1, 3, 9, 27, 81, 197, 591, 1773, 5319, 15957, 19979, 59937, 179811, 539433, 1618299, 3935863, 11807589, 35422767, 106268301, 318804903]

約数ペア:

[(1, 318804903), (3, 106268301), (9, 35422767), (27, 11807589), (81, 3935863), (197, 1618299), (591, 539433), (1773, 179811), (5319, 59937), (15957, 19979)]