28405929

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12953}}^1$

素因数の和:13016

約数の個数: 16

約数和(自身を含む): 41038272

約数和(自身を除く): 12632343

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 12953, 38859, 220201, 556979, 660603, 1670937, 9468643, 28405929]

約数ペア:

[(1, 28405929), (3, 9468643), (17, 1670937), (43, 660603), (51, 556979), (129, 220201), (731, 38859), (2193, 12953)]