28787211

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{1613}}^1$

素因数の和:2283

約数の個数: 16

約数和(自身を含む): 42738720

約数和(自身を除く): 13951509

約数列:

[1, 3, 9, 27, 661, 1613, 1983, 4839, 5949, 14517, 17847, 43551, 1066193, 3198579, 9595737, 28787211]

約数ペア:

[(1, 28787211), (3, 9595737), (9, 3198579), (27, 1066193), (661, 43551), (1613, 17847), (1983, 14517), (4839, 5949)]