28788543

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10627}}^1$

素因数の和:10683

約数の個数: 24

約数和(自身を含む): 48633728

約数和(自身を除く): 19845185

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10627, 31881, 74389, 95643, 223167, 456961, 669501, 1370883, 3198727, 4112649, 9596181, 28788543]

約数ペア:

[(1, 28788543), (3, 9596181), (7, 4112649), (9, 3198727), (21, 1370883), (43, 669501), (63, 456961), (129, 223167), (301, 95643), (387, 74389), (903, 31881), (2709, 10627)]