28017807

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 38131200

約数和(自身を除く): 10113393

約数列:

[1, 3, 71, 199, 213, 597, 661, 1983, 14129, 42387, 46931, 131539, 140793, 394617, 9339269, 28017807]

約数ペア:

[(1, 28017807), (3, 9339269), (71, 394617), (199, 140793), (213, 131539), (597, 46931), (661, 42387), (1983, 14129)]