80649639

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4316

約数の個数: 36

約数和(自身を含む): 138697416

約数和(自身を除く): 58047777

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 4253, 6321, 12759, 18963, 29771, 38277, 89313, 182879, 208397, 267939, 548637, 625191, 1280153, 1645911, 1875573, 3840459, 8961071, 11521377, 26883213, 80649639]

約数ペア:

[(1, 80649639), (3, 26883213), (7, 11521377), (9, 8961071), (21, 3840459), (43, 1875573), (49, 1645911), (63, 1280153), (129, 625191), (147, 548637), (301, 267939), (387, 208397), (441, 182879), (903, 89313), (2107, 38277), (2709, 29771), (4253, 18963), (6321, 12759)]