75281857

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^3$

素因数の和:138

約数の個数: 24

約数和(自身を含む): 93829632

約数和(自身を除く): 18547775

約数列:

[1, 7, 19, 31, 133, 217, 361, 589, 961, 2527, 4123, 6727, 11191, 18259, 29791, 78337, 127813, 208537, 346921, 566029, 2428447, 3962203, 10754551, 75281857]

約数ペア:

[(1, 75281857), (7, 10754551), (19, 3962203), (31, 2428447), (133, 566029), (217, 346921), (361, 208537), (589, 127813), (961, 78337), (2527, 29791), (4123, 18259), (6727, 11191)]