28686591

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{929}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 42943680

約数和(自身を除く): 14257089

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 657, 929, 2787, 3431, 8361, 10293, 30879, 43663, 67817, 130989, 203451, 392967, 610353, 3187399, 9562197, 28686591]

約数ペア:

[(1, 28686591), (3, 9562197), (9, 3187399), (47, 610353), (73, 392967), (141, 203451), (219, 130989), (423, 67817), (657, 43663), (929, 30879), (2787, 10293), (3431, 8361)]