1640278863

素因数分解:

$3^3\times {\mathrm{107}}^1\times {\mathrm{567767}}^1$

素因数の和:567883

約数の個数: 16

約数和(自身を含む): 2452757760

約数和(自身を除く): 812478897

約数列:

[1, 3, 9, 27, 107, 321, 963, 2889, 567767, 1703301, 5109903, 15329709, 60751069, 182253207, 546759621, 1640278863]

約数ペア:

[(1, 1640278863), (3, 546759621), (9, 182253207), (27, 60751069), (107, 15329709), (321, 5109903), (963, 1703301), (2889, 567767)]