81360321

素因数分解:

$3^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{4789}}^1$

素因数の和:5608

約数の個数: 16

約数和(自身を含む): 124156800

約数和(自身を除く): 42796479

約数列:

[1, 3, 7, 21, 809, 2427, 4789, 5663, 14367, 16989, 33523, 100569, 3874301, 11622903, 27120107, 81360321]

約数ペア:

[(1, 81360321), (3, 27120107), (7, 11622903), (21, 3874301), (809, 100569), (2427, 33523), (4789, 16989), (5663, 14367)]