28657341

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{3391}}^1$

素因数の和:3713

約数の個数: 16

約数和(自身を含む): 42603520

約数和(自身を除く): 13946179

約数列:

[1, 3, 9, 27, 313, 939, 2817, 3391, 8451, 10173, 30519, 91557, 1061383, 3184149, 9552447, 28657341]

約数ペア:

[(1, 28657341), (3, 9552447), (9, 3184149), (27, 1061383), (313, 91557), (939, 30519), (2817, 10173), (3391, 8451)]