28042881

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:748

約数の個数: 16

約数和(自身を含む): 38016000

約数和(自身を除く): 9973119

約数列:

[1, 3, 107, 199, 321, 439, 597, 1317, 21293, 46973, 63879, 87361, 140919, 262083, 9347627, 28042881]

約数ペア:

[(1, 28042881), (3, 9347627), (107, 262083), (199, 140919), (321, 87361), (439, 63879), (597, 46973), (1317, 21293)]