261569439

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{132709}}^1$

素因数の和:132791

約数の個数: 16

約数和(自身を含む): 392821600

約数和(自身を除く): 131252161

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 132709, 398127, 1194381, 3583143, 9687757, 29063271, 87189813, 261569439]

約数ペア:

[(1, 261569439), (3, 87189813), (9, 29063271), (27, 9687757), (73, 3583143), (219, 1194381), (657, 398127), (1971, 132709)]