899721

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{709}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 1363200

約数和(自身を除く): 463479

約数列:

[1, 3, 9, 27, 47, 141, 423, 709, 1269, 2127, 6381, 19143, 33323, 99969, 299907, 899721]

約数ペア:

[(1, 899721), (3, 299907), (9, 99969), (27, 33323), (47, 19143), (141, 6381), (423, 2127), (709, 1269)]