28547181

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{81331}}^1$

素因数の和:81353

約数の個数: 16

約数和(自身を含む): 45545920

約数和(自身を除く): 16998739

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 81331, 243993, 731979, 1057303, 2195937, 3171909, 9515727, 28547181]

約数ペア:

[(1, 28547181), (3, 9515727), (9, 3171909), (13, 2195937), (27, 1057303), (39, 731979), (117, 243993), (351, 81331)]