28239753

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:944

約数の個数: 16

約数和(自身を含む): 38434176

約数和(自身を除く): 10194423

約数列:

[1, 3, 71, 197, 213, 591, 673, 2019, 13987, 41961, 47783, 132581, 143349, 397743, 9413251, 28239753]

約数ペア:

[(1, 28239753), (3, 9413251), (71, 397743), (197, 143349), (213, 132581), (591, 47783), (673, 41961), (2019, 13987)]