81133578

素因数分解:

$2^1\times 3^2\times {\mathrm{4507421}}^1$

素因数の和:4507429

約数の個数: 12

約数和(自身を含む): 175789458

約数和(自身を除く): 94655880

約数列:

[1, 2, 3, 6, 9, 18, 4507421, 9014842, 13522263, 27044526, 40566789, 81133578]

約数ペア:

[(1, 81133578), (2, 40566789), (3, 27044526), (6, 13522263), (9, 9014842), (18, 4507421)]