287640459

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{43721}}^1$

素因数の和:43787

約数の個数: 24

約数和(自身を含む): 450161712

約数和(自身を除く): 162521253

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 43721, 131163, 393489, 743257, 1880003, 2229771, 5640009, 6689313, 16920027, 31960051, 95880153, 287640459]

約数ペア:

[(1, 287640459), (3, 95880153), (9, 31960051), (17, 16920027), (43, 6689313), (51, 5640009), (129, 2229771), (153, 1880003), (387, 743257), (731, 393489), (2193, 131163), (6579, 43721)]