81481799

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1117}}^1$

素因数の和:1754

約数の個数: 16

約数和(自身を含む): 98849088

約数和(自身を除く): 17367289

約数列:

[1, 7, 17, 119, 613, 1117, 4291, 7819, 10421, 18989, 72947, 132923, 684721, 4793047, 11640257, 81481799]

約数ペア:

[(1, 81481799), (7, 11640257), (17, 4793047), (119, 684721), (613, 132923), (1117, 72947), (4291, 18989), (7819, 10421)]