80442921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 119968128

約数和(自身を除く): 39525207

約数列:

[1, 3, 13, 37, 39, 107, 111, 321, 481, 521, 1391, 1443, 1563, 3959, 4173, 6773, 11877, 19277, 20319, 51467, 55747, 57831, 154401, 167241, 250601, 724711, 751803, 2062639, 2174133, 6187917, 26814307, 80442921]

約数ペア:

[(1, 80442921), (3, 26814307), (13, 6187917), (37, 2174133), (39, 2062639), (107, 751803), (111, 724711), (321, 250601), (481, 167241), (521, 154401), (1391, 57831), (1443, 55747), (1563, 51467), (3959, 20319), (4173, 19277), (6773, 11877)]