326394243

素因数分解:

$3^2\times 7^2\times {\mathrm{740123}}^1$

素因数の和:740143

約数の個数: 18

約数和(自身を含む): 548431884

約数和(自身を除く): 222037641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 740123, 2220369, 5180861, 6661107, 15542583, 36266027, 46627749, 108798081, 326394243]

約数ペア:

[(1, 326394243), (3, 108798081), (7, 46627749), (9, 36266027), (21, 15542583), (49, 6661107), (63, 5180861), (147, 2220369), (441, 740123)]