28621329

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^2$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 42592032

約数和(自身を除く): 13970703

約数列:

[1, 3, 11, 33, 73, 109, 219, 327, 803, 1199, 2409, 3597, 7957, 11881, 23871, 35643, 87527, 130691, 262581, 392073, 867313, 2601939, 9540443, 28621329]

約数ペア:

[(1, 28621329), (3, 9540443), (11, 2601939), (33, 867313), (73, 392073), (109, 262581), (219, 130691), (327, 87527), (803, 35643), (1199, 23871), (2409, 11881), (3597, 7957)]