81805644

素因数分解:

$2^2\times 3^2\times {\mathrm{2272379}}^1$

素因数の和:2272389

約数の個数: 18

約数和(自身を含む): 206786580

約数和(自身を除く): 124980936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2272379, 4544758, 6817137, 9089516, 13634274, 20451411, 27268548, 40902822, 81805644]

約数ペア:

[(1, 81805644), (2, 40902822), (3, 27268548), (4, 20451411), (6, 13634274), (9, 9089516), (12, 6817137), (18, 4544758), (36, 2272379)]