12981489

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{769}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 18406080

約数和(自身を除く): 5424591

約数列:

[1, 3, 17, 51, 331, 769, 993, 2307, 5627, 13073, 16881, 39219, 254539, 763617, 4327163, 12981489]

約数ペア:

[(1, 12981489), (3, 4327163), (17, 763617), (51, 254539), (331, 39219), (769, 16881), (993, 13073), (2307, 5627)]