7985547

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{317}}^1$

素因数の和:640

約数の個数: 20

約数和(自身を含む): 12005136

約数和(自身を除く): 4019589

約数列:

[1, 3, 9, 27, 81, 311, 317, 933, 951, 2799, 2853, 8397, 8559, 25191, 25677, 98587, 295761, 887283, 2661849, 7985547]

約数ペア:

[(1, 7985547), (3, 2661849), (9, 887283), (27, 295761), (81, 98587), (311, 25677), (317, 25191), (933, 8559), (951, 8397), (2799, 2853)]