19700127

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 30298320

約数和(自身を除く): 10598193

約数列:

[1, 3, 9, 17, 51, 153, 331, 389, 993, 1167, 2979, 3501, 5627, 6613, 16881, 19839, 50643, 59517, 128759, 386277, 1158831, 2188903, 6566709, 19700127]

約数ペア:

[(1, 19700127), (3, 6566709), (9, 2188903), (17, 1158831), (51, 386277), (153, 128759), (331, 59517), (389, 50643), (993, 19839), (1167, 16881), (2979, 6613), (3501, 5627)]