2190807

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 40

約数和(自身を含む): 3641616

約数和(自身を除く): 1450809

約数列:

[1, 3, 9, 17, 27, 37, 43, 51, 81, 111, 129, 153, 333, 387, 459, 629, 731, 999, 1161, 1377, 1591, 1887, 2193, 2997, 3483, 4773, 5661, 6579, 14319, 16983, 19737, 27047, 42957, 50949, 59211, 81141, 128871, 243423, 730269, 2190807]

約数ペア:

[(1, 2190807), (3, 730269), (9, 243423), (17, 128871), (27, 81141), (37, 59211), (43, 50949), (51, 42957), (81, 27047), (111, 19737), (129, 16983), (153, 14319), (333, 6579), (387, 5661), (459, 4773), (629, 3483), (731, 2997), (999, 2193), (1161, 1887), (1377, 1591)]