28666767

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3643}}^1$

素因数の和:3750

約数の個数: 16

約数和(自身を含む): 39763328

約数和(自身を除く): 11096561

約数列:

[1, 3, 43, 61, 129, 183, 2623, 3643, 7869, 10929, 156649, 222223, 469947, 666669, 9555589, 28666767]

約数ペア:

[(1, 28666767), (3, 9555589), (43, 666669), (61, 469947), (129, 222223), (183, 156649), (2623, 10929), (3643, 7869)]