86215689

素因数分解:

$3^2\times 7^1\times {\mathrm{479}}^1\times {\mathrm{2857}}^1$

素因数の和:3349

約数の個数: 24

約数和(自身を含む): 142671360

約数和(自身を除く): 56455671

約数列:

[1, 3, 7, 9, 21, 63, 479, 1437, 2857, 3353, 4311, 8571, 10059, 19999, 25713, 30177, 59997, 179991, 1368503, 4105509, 9579521, 12316527, 28738563, 86215689]

約数ペア:

[(1, 86215689), (3, 28738563), (7, 12316527), (9, 9579521), (21, 4105509), (63, 1368503), (479, 179991), (1437, 59997), (2857, 30177), (3353, 25713), (4311, 19999), (8571, 10059)]