8990223

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 13507200

約数和(自身を除く): 4516977

約数列:

[1, 3, 11, 33, 37, 111, 199, 407, 597, 1221, 1369, 2189, 4107, 6567, 7363, 15059, 22089, 45177, 80993, 242979, 272431, 817293, 2996741, 8990223]

約数ペア:

[(1, 8990223), (3, 2996741), (11, 817293), (33, 272431), (37, 242979), (111, 80993), (199, 45177), (407, 22089), (597, 15059), (1221, 7363), (1369, 6567), (2189, 4107)]