28108305

素因数分解:

$3^2\times 5^1\times {\mathrm{709}}^1\times {\mathrm{881}}^1$

素因数の和:1601

約数の個数: 24

約数和(自身を含む): 48845160

約数和(自身を除く): 20736855

約数列:

[1, 3, 5, 9, 15, 45, 709, 881, 2127, 2643, 3545, 4405, 6381, 7929, 10635, 13215, 31905, 39645, 624629, 1873887, 3123145, 5621661, 9369435, 28108305]

約数ペア:

[(1, 28108305), (3, 9369435), (5, 5621661), (9, 3123145), (15, 1873887), (45, 624629), (709, 39645), (881, 31905), (2127, 13215), (2643, 10635), (3545, 7929), (4405, 6381)]