28426689

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1543}}^1$

素因数の和:1661

約数の個数: 24

約数和(自身を含む): 43355520

約数和(自身を除く): 14928831

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 801, 1543, 2047, 4629, 6141, 13887, 18423, 35489, 106467, 137327, 319401, 411981, 1235943, 3158521, 9475563, 28426689]

約数ペア:

[(1, 28426689), (3, 9475563), (9, 3158521), (23, 1235943), (69, 411981), (89, 319401), (207, 137327), (267, 106467), (801, 35489), (1543, 18423), (2047, 13887), (4629, 6141)]