17785347777

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{1621}}^1\times {\mathrm{28351}}^1$

素因数の和:30021

約数の個数: 24

約数和(自身を含む): 26304531968

約数和(自身を除く): 8519184191

約数列:

[1, 3, 9, 43, 129, 387, 1621, 4863, 14589, 28351, 69703, 85053, 209109, 255159, 627327, 1219093, 3657279, 10971837, 45956971, 137870913, 413612739, 1976149753, 5928449259, 17785347777]

約数ペア:

[(1, 17785347777), (3, 5928449259), (9, 1976149753), (43, 413612739), (129, 137870913), (387, 45956971), (1621, 10971837), (4863, 3657279), (14589, 1219093), (28351, 627327), (69703, 255159), (85053, 209109)]