423729

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 18

約数和(自身を含む): 647010

約数和(自身を除く): 223281

約数列:

[1, 3, 9, 23, 69, 89, 207, 267, 529, 801, 1587, 2047, 4761, 6141, 18423, 47081, 141243, 423729]

約数ペア:

[(1, 423729), (3, 141243), (9, 47081), (23, 18423), (69, 6141), (89, 4761), (207, 2047), (267, 1587), (529, 801)]