2971017

素因数分解:

$3^2\times 7^2\times {\mathrm{6737}}^1$

素因数の和:6757

約数の個数: 18

約数和(自身を含む): 4992858

約数和(自身を除く): 2021841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6737, 20211, 47159, 60633, 141477, 330113, 424431, 990339, 2971017]

約数ペア:

[(1, 2971017), (3, 990339), (7, 424431), (9, 330113), (21, 141477), (49, 60633), (63, 47159), (147, 20211), (441, 6737)]