28109841

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1327}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 39266304

約数和(自身を除く): 11156463

約数列:

[1, 3, 23, 69, 307, 921, 1327, 3981, 7061, 21183, 30521, 91563, 407389, 1222167, 9369947, 28109841]

約数ペア:

[(1, 28109841), (3, 9369947), (23, 1222167), (69, 407389), (307, 91563), (921, 30521), (1327, 21183), (3981, 7061)]