2585289

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1$

素因数の和:469

約数の個数: 24

約数和(自身を含む): 4113120

約数和(自身を除く): 1527831

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 409, 903, 1227, 2107, 2863, 6321, 8589, 17587, 20041, 52761, 60123, 123109, 369327, 861763, 2585289]

約数ペア:

[(1, 2585289), (3, 861763), (7, 369327), (21, 123109), (43, 60123), (49, 52761), (129, 20041), (147, 17587), (301, 8589), (409, 6321), (903, 2863), (1227, 2107)]