131231139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{13093}}^1$

素因数の和:13366

約数の個数: 16

約数和(自身を含む): 189182112

約数和(自身を除く): 57950973

約数列:

[1, 3, 13, 39, 257, 771, 3341, 10023, 13093, 39279, 170209, 510627, 3364901, 10094703, 43743713, 131231139]

約数ペア:

[(1, 131231139), (3, 43743713), (13, 10094703), (39, 3364901), (257, 510627), (771, 170209), (3341, 39279), (10023, 13093)]