25728057

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{13421}}^1$

素因数の和:13501

約数の個数: 16

約数和(自身を含む): 38655360

約数和(自身を除く): 12927303

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 13421, 40263, 120789, 362367, 952891, 2858673, 8576019, 25728057]

約数ペア:

[(1, 25728057), (3, 8576019), (9, 2858673), (27, 952891), (71, 362367), (213, 120789), (639, 40263), (1917, 13421)]