229718840841

素因数分解:

$3^2\times 7^2\times {\mathrm{520904401}}^1$

素因数の和:520904421

約数の個数: 18

約数和(自身を含む): 385990161882

約数和(自身を除く): 156271321041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 520904401, 1562713203, 3646330807, 4688139609, 10938992421, 25524315649, 32816977263, 76572946947, 229718840841]

約数ペア:

[(1, 229718840841), (3, 76572946947), (7, 32816977263), (9, 25524315649), (21, 10938992421), (49, 4688139609), (63, 3646330807), (147, 1562713203), (441, 520904401)]