663247521

素因数分解:

$3^4\times {\mathrm{709}}^1\times {\mathrm{11549}}^1$

素因数の和:12270

約数の個数: 20

約数和(自身を含む): 992260500

約数和(自身を除く): 329012979

約数列:

[1, 3, 9, 27, 81, 709, 2127, 6381, 11549, 19143, 34647, 57429, 103941, 311823, 935469, 8188241, 24564723, 73694169, 221082507, 663247521]

約数ペア:

[(1, 663247521), (3, 221082507), (9, 73694169), (27, 24564723), (81, 8188241), (709, 935469), (2127, 311823), (6381, 103941), (11549, 57429), (19143, 34647)]