28371291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{4463}}^1$

素因数の和:4642

約数の個数: 16

約数和(自身を含む): 40997376

約数和(自身を除く): 12626085

約数列:

[1, 3, 13, 39, 163, 489, 2119, 4463, 6357, 13389, 58019, 174057, 727469, 2182407, 9457097, 28371291]

約数ペア:

[(1, 28371291), (3, 9457097), (13, 2182407), (39, 727469), (163, 174057), (489, 58019), (2119, 13389), (4463, 6357)]