86780169

素因数分解:

$3^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{2129}}^1$

素因数の和:2789

約数の個数: 24

約数和(自身を含む): 143544960

約数和(自身を除く): 56764791

約数列:

[1, 3, 7, 9, 21, 63, 647, 1941, 2129, 4529, 5823, 6387, 13587, 14903, 19161, 40761, 44709, 134127, 1377463, 4132389, 9642241, 12397167, 28926723, 86780169]

約数ペア:

[(1, 86780169), (3, 28926723), (7, 12397167), (9, 9642241), (21, 4132389), (63, 1377463), (647, 134127), (1941, 44709), (2129, 40761), (4529, 19161), (5823, 14903), (6387, 13587)]