857742291

素因数分解:

$3^4\times 7^1\times {\mathrm{1512773}}^1$

素因数の和:1512792

約数の個数: 20

約数和(自身を含む): 1464365232

約数和(自身を除く): 606622941

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1512773, 4538319, 10589411, 13614957, 31768233, 40844871, 95304699, 122534613, 285914097, 857742291]

約数ペア:

[(1, 857742291), (3, 285914097), (7, 122534613), (9, 95304699), (21, 40844871), (27, 31768233), (63, 13614957), (81, 10589411), (189, 4538319), (567, 1512773)]