2499472017

素因数分解:

$3^2\times 7^2\times {\mathrm{5667737}}^1$

素因数の和:5667757

約数の個数: 18

約数和(自身を含む): 4199793858

約数和(自身を除く): 1700321841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 5667737, 17003211, 39674159, 51009633, 119022477, 277719113, 357067431, 833157339, 2499472017]

約数ペア:

[(1, 2499472017), (3, 833157339), (7, 357067431), (9, 277719113), (21, 119022477), (49, 51009633), (63, 39674159), (147, 17003211), (441, 5667737)]