389628759

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{3803}}^1$

素因数の和:3927

約数の個数: 32

約数和(自身を含む): 582833664

約数和(自身を除く): 193204905

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 481, 923, 1443, 2627, 2769, 3803, 7881, 11409, 34151, 49439, 102453, 140711, 148317, 270013, 422133, 810039, 1829243, 3510169, 5487729, 9990481, 10530507, 29971443, 129876253, 389628759]

約数ペア:

[(1, 389628759), (3, 129876253), (13, 29971443), (37, 10530507), (39, 9990481), (71, 5487729), (111, 3510169), (213, 1829243), (481, 810039), (923, 422133), (1443, 270013), (2627, 148317), (2769, 140711), (3803, 102453), (7881, 49439), (11409, 34151)]