28278669

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1213}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 39819200

約数和(自身を除く): 11540531

約数列:

[1, 3, 19, 57, 409, 1213, 1227, 3639, 7771, 23047, 23313, 69141, 496117, 1488351, 9426223, 28278669]

約数ペア:

[(1, 28278669), (3, 9426223), (19, 1488351), (57, 496117), (409, 69141), (1213, 23313), (1227, 23047), (3639, 7771)]