27948969

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20297}}^1$

素因数の和:20326

約数の個数: 20

約数和(自身を含む): 44209044

約数和(自身を除く): 16260075

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20297, 60891, 182673, 345049, 548019, 1035147, 1644057, 3105441, 9316323, 27948969]

約数ペア:

[(1, 27948969), (3, 9316323), (9, 3105441), (17, 1644057), (27, 1035147), (51, 548019), (81, 345049), (153, 182673), (459, 60891), (1377, 20297)]