28520751

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{4903}}^1$

素因数の和:5190

約数の個数: 16

約数和(自身を含む): 43625984

約数和(自身を除く): 15105233

約数列:

[1, 3, 7, 21, 277, 831, 1939, 4903, 5817, 14709, 34321, 102963, 1358131, 4074393, 9506917, 28520751]

約数ペア:

[(1, 28520751), (3, 9506917), (7, 4074393), (21, 1358131), (277, 102963), (831, 34321), (1939, 14709), (4903, 5817)]