2564842077

素因数分解:

$3^4\times 7^1\times {\mathrm{4523531}}^1$

素因数の和:4523550

約数の個数: 20

約数和(自身を含む): 4378778976

約数和(自身を除く): 1813936899

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4523531, 13570593, 31664717, 40711779, 94994151, 122135337, 284982453, 366406011, 854947359, 2564842077]

約数ペア:

[(1, 2564842077), (3, 854947359), (7, 366406011), (9, 284982453), (21, 122135337), (27, 94994151), (63, 40711779), (81, 31664717), (189, 13570593), (567, 4523531)]