20161539363

素因数分解:

$3^1\times 7^2\times {\mathrm{137153329}}^1$

素因数の和:137153346

約数の個数: 12

約数和(自身を含む): 31270959240

約数和(自身を除く): 11109419877

約数列:

[1, 3, 7, 21, 49, 147, 137153329, 411459987, 960073303, 2880219909, 6720513121, 20161539363]

約数ペア:

[(1, 20161539363), (3, 6720513121), (7, 2880219909), (21, 960073303), (49, 411459987), (147, 137153329)]