201897297

素因数分解:

$3^2\times 7^2\times {\mathrm{457817}}^1$

素因数の和:457837

約数の個数: 18

約数和(自身を含む): 339243138

約数和(自身を除く): 137345841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 457817, 1373451, 3204719, 4120353, 9614157, 22433033, 28842471, 67299099, 201897297]

約数ペア:

[(1, 201897297), (3, 67299099), (7, 28842471), (9, 22433033), (21, 9614157), (49, 4120353), (63, 3204719), (147, 1373451), (441, 457817)]