66990417

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 98134848

約数和(自身を除く): 31144431

約数列:

[1, 3, 13, 39, 71, 169, 213, 507, 923, 1861, 2769, 5583, 11999, 24193, 35997, 72579, 132131, 314509, 396393, 943527, 1717703, 5153109, 22330139, 66990417]

約数ペア:

[(1, 66990417), (3, 22330139), (13, 5153109), (39, 1717703), (71, 943527), (169, 396393), (213, 314509), (507, 132131), (923, 72579), (1861, 35997), (2769, 24193), (5583, 11999)]