201904995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313031}}^1$

素因数の和:313082

約数の個数: 16

約数和(自身を含む): 330561792

約数和(自身を除く): 128656797

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 313031, 939093, 1565155, 4695465, 13460333, 40380999, 67301665, 201904995]

約数ペア:

[(1, 201904995), (3, 67301665), (5, 40380999), (15, 13460333), (43, 4695465), (129, 1565155), (215, 939093), (645, 313031)]