239823423

素因数分解:

$3^4\times 7^1\times {\mathrm{422969}}^1$

素因数の和:422988

約数の個数: 20

約数和(自身を含む): 409434960

約数和(自身を除く): 169611537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 422969, 1268907, 2960783, 3806721, 8882349, 11420163, 26647047, 34260489, 79941141, 239823423]

約数ペア:

[(1, 239823423), (3, 79941141), (7, 34260489), (9, 26647047), (21, 11420163), (27, 8882349), (63, 3806721), (81, 2960783), (189, 1268907), (567, 422969)]