261842049

素因数分解:

$3^2\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{3701}}^1$

素因数の和:4837

約数の個数: 24

約数和(自身を含む): 432748992

約数和(自身を除く): 170906943

約数列:

[1, 3, 7, 9, 21, 63, 1123, 3369, 3701, 7861, 10107, 11103, 23583, 25907, 33309, 70749, 77721, 233163, 4156223, 12468669, 29093561, 37406007, 87280683, 261842049]

約数ペア:

[(1, 261842049), (3, 87280683), (7, 37406007), (9, 29093561), (21, 12468669), (63, 4156223), (1123, 233163), (3369, 77721), (3701, 70749), (7861, 33309), (10107, 25907), (11103, 23583)]