27990315

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{16811}}^1$

素因数の和:16859

約数の個数: 24

約数和(自身を含む): 49830768

約数和(自身を除く): 21840453

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 555, 1665, 16811, 50433, 84055, 151299, 252165, 622007, 756495, 1866021, 3110035, 5598063, 9330105, 27990315]

約数ペア:

[(1, 27990315), (3, 9330105), (5, 5598063), (9, 3110035), (15, 1866021), (37, 756495), (45, 622007), (111, 252165), (185, 151299), (333, 84055), (555, 50433), (1665, 16811)]