12680055

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6553}}^1$

素因数の和:6607

約数の個数: 24

約数和(自身を含む): 22493328

約数和(自身を除く): 9813273

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6553, 19659, 32765, 58977, 98295, 281779, 294885, 845337, 1408895, 2536011, 4226685, 12680055]

約数ペア:

[(1, 12680055), (3, 4226685), (5, 2536011), (9, 1408895), (15, 845337), (43, 294885), (45, 281779), (129, 98295), (215, 58977), (387, 32765), (645, 19659), (1935, 6553)]