68511289

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1721}}^1$

素因数の和:1797

約数の個数: 24

約数和(自身を含む): 87945984

約数和(自身を除く): 19434695

約数列:

[1, 7, 11, 47, 77, 121, 329, 517, 847, 1721, 3619, 5687, 12047, 18931, 39809, 80887, 132517, 208241, 566209, 889757, 1457687, 6228299, 9787327, 68511289]

約数ペア:

[(1, 68511289), (7, 9787327), (11, 6228299), (47, 1457687), (77, 889757), (121, 566209), (329, 208241), (517, 132517), (847, 80887), (1721, 39809), (3619, 18931), (5687, 12047)]