166658553

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{38821}}^1$

素因数の和:38886

約数の個数: 20

約数和(自身を含む): 253662948

約数和(自身を除く): 87004395

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 38821, 116463, 349389, 1048167, 2057513, 3144501, 6172539, 18517617, 55552851, 166658553]

約数ペア:

[(1, 166658553), (3, 55552851), (9, 18517617), (27, 6172539), (53, 3144501), (81, 2057513), (159, 1048167), (477, 349389), (1431, 116463), (4293, 38821)]