203419629

素因数分解:

$3^2\times 7^2\times {\mathrm{461269}}^1$

素因数の和:461289

約数の個数: 18

約数和(自身を含む): 341801070

約数和(自身を除く): 138381441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 461269, 1383807, 3228883, 4151421, 9686649, 22602181, 29059947, 67806543, 203419629]

約数ペア:

[(1, 203419629), (3, 67806543), (7, 29059947), (9, 22602181), (21, 9686649), (49, 4151421), (63, 3228883), (147, 1383807), (441, 461269)]