28473831

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{2311}}^1$

素因数の和:2391

約数の個数: 18

約数和(自身を含む): 42288792

約数和(自身を除く): 13814961

約数列:

[1, 3, 9, 37, 111, 333, 1369, 2311, 4107, 6933, 12321, 20799, 85507, 256521, 769563, 3163759, 9491277, 28473831]

約数ペア:

[(1, 28473831), (3, 9491277), (9, 3163759), (37, 769563), (111, 256521), (333, 85507), (1369, 20799), (2311, 12321), (4107, 6933)]