281335041

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{4271}}^1$

素因数の和:4853

約数の個数: 24

約数和(自身を含む): 438512256

約数和(自身を除く): 157177215

約数列:

[1, 3, 9, 13, 39, 117, 563, 1689, 4271, 5067, 7319, 12813, 21957, 38439, 55523, 65871, 166569, 499707, 2404573, 7213719, 21641157, 31259449, 93778347, 281335041]

約数ペア:

[(1, 281335041), (3, 93778347), (9, 31259449), (13, 21641157), (39, 7213719), (117, 2404573), (563, 499707), (1689, 166569), (4271, 65871), (5067, 55523), (7319, 38439), (12813, 21957)]