7857891

素因数分解:

$3^7\times {\mathrm{3593}}^1$

素因数の和:3614

約数の個数: 16

約数和(自身を含む): 11788320

約数和(自身を除く): 3930429

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 3593, 10779, 32337, 97011, 291033, 873099, 2619297, 7857891]

約数ペア:

[(1, 7857891), (3, 2619297), (9, 873099), (27, 291033), (81, 97011), (243, 32337), (729, 10779), (2187, 3593)]