247002021

素因数分解:

$3^3\times 7^1\times {\mathrm{1306889}}^1$

素因数の和:1306905

約数の個数: 16

約数和(自身を含む): 418204800

約数和(自身を除く): 171202779

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1306889, 3920667, 9148223, 11762001, 27444669, 35286003, 82334007, 247002021]

約数ペア:

[(1, 247002021), (3, 82334007), (7, 35286003), (9, 27444669), (21, 11762001), (27, 9148223), (63, 3920667), (189, 1306889)]