2647809

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:446

約数の個数: 20

約数和(自身を含む): 4008004

約数和(自身を除く): 1360195

約数列:

[1, 3, 9, 27, 81, 97, 291, 337, 873, 1011, 2619, 3033, 7857, 9099, 27297, 32689, 98067, 294201, 882603, 2647809]

約数ペア:

[(1, 2647809), (3, 882603), (9, 294201), (27, 98067), (81, 32689), (97, 27297), (291, 9099), (337, 7857), (873, 3033), (1011, 2619)]