28869771

素因数分解:

$3^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{709}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 45002640

約数和(自身を除く): 16132869

約数列:

[1, 3, 7, 21, 49, 147, 277, 709, 831, 1939, 2127, 4963, 5817, 13573, 14889, 34741, 40719, 104223, 196393, 589179, 1374751, 4124253, 9623257, 28869771]

約数ペア:

[(1, 28869771), (3, 9623257), (7, 4124253), (21, 1374751), (49, 589179), (147, 196393), (277, 104223), (709, 40719), (831, 34741), (1939, 14889), (2127, 13573), (4963, 5817)]