7900890021

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{18678227}}^1$

素因数の和:18678280

約数の個数: 12

約数和(自身を含む): 11655214272

約数和(自身を除く): 3754324251

約数列:

[1, 3, 9, 47, 141, 423, 18678227, 56034681, 168104043, 877876669, 2633630007, 7900890021]

約数ペア:

[(1, 7900890021), (3, 2633630007), (9, 877876669), (47, 168104043), (141, 56034681), (423, 18678227)]