28317321

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{85037}}^1$

素因数の和:85080

約数の個数: 12

約数和(自身を含む): 42008772

約数和(自身を除く): 13691451

約数列:

[1, 3, 9, 37, 111, 333, 85037, 255111, 765333, 3146369, 9439107, 28317321]

約数ペア:

[(1, 28317321), (3, 9439107), (9, 3146369), (37, 765333), (111, 255111), (333, 85037)]