28181805

素因数分解:

$3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{4339}}^1$

素因数の和:4780

約数の個数: 16

約数和(自身を含む): 45205440

約数和(自身を除く): 17023635

約数列:

[1, 3, 5, 15, 433, 1299, 2165, 4339, 6495, 13017, 21695, 65085, 1878787, 5636361, 9393935, 28181805]

約数ペア:

[(1, 28181805), (3, 9393935), (5, 5636361), (15, 1878787), (433, 65085), (1299, 21695), (2165, 13017), (4339, 6495)]