639387

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:232

約数の個数: 32

約数和(自身を含む): 1152000

約数和(自身を除く): 512613

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 199, 357, 459, 597, 1071, 1393, 1791, 3213, 3383, 4179, 5373, 10149, 12537, 23681, 30447, 37611, 71043, 91341, 213129, 639387]

約数ペア:

[(1, 639387), (3, 213129), (7, 91341), (9, 71043), (17, 37611), (21, 30447), (27, 23681), (51, 12537), (63, 10149), (119, 5373), (153, 4179), (189, 3383), (199, 3213), (357, 1791), (459, 1393), (597, 1071)]