28269189

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1873}}^1$

素因数の和:1938

約数の個数: 32

約数和(自身を含む): 46175360

約数和(自身を除く): 17906171

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 1873, 5031, 5619, 15093, 16857, 24349, 50571, 73047, 80539, 219141, 241617, 657423, 724851, 1047007, 2174553, 3141021, 9423063, 28269189]

約数ペア:

[(1, 28269189), (3, 9423063), (9, 3141021), (13, 2174553), (27, 1047007), (39, 724851), (43, 657423), (117, 241617), (129, 219141), (351, 80539), (387, 73047), (559, 50571), (1161, 24349), (1677, 16857), (1873, 15093), (5031, 5619)]