201620853

素因数分解:

$3^3\times 7^1\times {\mathrm{1066777}}^1$

素因数の和:1066793

約数の個数: 16

約数和(自身を含む): 341368960

約数和(自身を除く): 139748107

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1066777, 3200331, 7467439, 9600993, 22402317, 28802979, 67206951, 201620853]

約数ペア:

[(1, 201620853), (3, 67206951), (7, 28802979), (9, 22402317), (21, 9600993), (27, 7467439), (63, 3200331), (189, 1066777)]