57657987

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{30949}}^1$

素因数の和:30984

約数の個数: 20

約数和(自身を含む): 89878800

約数和(自身を除く): 32220813

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 30949, 92847, 278541, 711827, 835623, 2135481, 2506869, 6406443, 19219329, 57657987]

約数ペア:

[(1, 57657987), (3, 19219329), (9, 6406443), (23, 2506869), (27, 2135481), (69, 835623), (81, 711827), (207, 278541), (621, 92847), (1863, 30949)]