1387661037

素因数分解:

$3^1\times 7^3\times {\mathrm{1348553}}^1$

素因数の和:1348577

約数の個数: 16

約数和(自身を含む): 2157686400

約数和(自身を除く): 770025363

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1348553, 4045659, 9439871, 28319613, 66079097, 198237291, 462553679, 1387661037]

約数ペア:

[(1, 1387661037), (3, 462553679), (7, 198237291), (21, 66079097), (49, 28319613), (147, 9439871), (343, 4045659), (1029, 1348553)]