513338319

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{6719}}^1$

素因数の和:7391

約数の個数: 24

約数和(自身を含む): 799868160

約数和(自身を除く): 286529841

約数列:

[1, 3, 9, 13, 39, 117, 653, 1959, 5877, 6719, 8489, 20157, 25467, 60471, 76401, 87347, 262041, 786123, 4387507, 13162521, 39487563, 57037591, 171112773, 513338319]

約数ペア:

[(1, 513338319), (3, 171112773), (9, 57037591), (13, 39487563), (39, 13162521), (117, 4387507), (653, 786123), (1959, 262041), (5877, 87347), (6719, 76401), (8489, 60471), (20157, 25467)]