243423

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 391248

約数和(自身を除く): 147825

約数列:

[1, 3, 9, 17, 37, 43, 51, 111, 129, 153, 333, 387, 629, 731, 1591, 1887, 2193, 4773, 5661, 6579, 14319, 27047, 81141, 243423]

約数ペア:

[(1, 243423), (3, 81141), (9, 27047), (17, 14319), (37, 6579), (43, 5661), (51, 4773), (111, 2193), (129, 1887), (153, 1591), (333, 731), (387, 629)]