211809315

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{107791}}^1$

素因数の和:107930

約数の個数: 16

約数和(自身を含む): 341485056

約数和(自身を除く): 129675741

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 107791, 323373, 538955, 1616865, 14120621, 42361863, 70603105, 211809315]

約数ペア:

[(1, 211809315), (3, 70603105), (5, 42361863), (15, 14120621), (131, 1616865), (393, 538955), (655, 323373), (1965, 107791)]