47128845

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 80213760

約数和(自身を除く): 33084915

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 421, 439, 1263, 1317, 2105, 2195, 6315, 6585, 7157, 7463, 21471, 22389, 35785, 37315, 107355, 111945, 184819, 554457, 924095, 2772285, 3141923, 9425769, 15709615, 47128845]

約数ペア:

[(1, 47128845), (3, 15709615), (5, 9425769), (15, 3141923), (17, 2772285), (51, 924095), (85, 554457), (255, 184819), (421, 111945), (439, 107355), (1263, 37315), (1317, 35785), (2105, 22389), (2195, 21471), (6315, 7463), (6585, 7157)]