242742009

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 339926400

約数和(自身を除く): 97184391

約数列:

[1, 3, 43, 73, 129, 149, 173, 219, 447, 519, 3139, 6407, 7439, 9417, 10877, 12629, 19221, 22317, 25777, 32631, 37887, 77331, 467711, 543047, 1108411, 1403133, 1629141, 1881721, 3325233, 5645163, 80914003, 242742009]

約数ペア:

[(1, 242742009), (3, 80914003), (43, 5645163), (73, 3325233), (129, 1881721), (149, 1629141), (173, 1403133), (219, 1108411), (447, 543047), (519, 467711), (3139, 77331), (6407, 37887), (7439, 32631), (9417, 25777), (10877, 22317), (12629, 19221)]