28165221

素因数分解:

$3^2\times 7^1\times {\mathrm{447067}}^1$

素因数の和:447080

約数の個数: 12

約数和(自身を含む): 46495072

約数和(自身を除く): 18329851

約数列:

[1, 3, 7, 9, 21, 63, 447067, 1341201, 3129469, 4023603, 9388407, 28165221]

約数ペア:

[(1, 28165221), (3, 9388407), (7, 4023603), (9, 3129469), (21, 1341201), (63, 447067)]