201991581315

素因数分解:

$3^2\times 5^1\times {\mathrm{4488701807}}^1$

素因数の和:4488701818

約数の個数: 12

約数和(自身を含む): 350118741024

約数和(自身を除く): 148127159709

約数列:

[1, 3, 5, 9, 15, 45, 4488701807, 13466105421, 22443509035, 40398316263, 67330527105, 201991581315]

約数ペア:

[(1, 201991581315), (3, 67330527105), (5, 40398316263), (9, 22443509035), (15, 13466105421), (45, 4488701807)]