805156767

素因数分解:

$3^4\times {\mathrm{457}}^1\times {\mathrm{21751}}^1$

素因数の和:22220

約数の個数: 20

約数和(自身を含む): 1205452336

約数和(自身を除く): 400295569

約数列:

[1, 3, 9, 27, 81, 457, 1371, 4113, 12339, 21751, 37017, 65253, 195759, 587277, 1761831, 9940207, 29820621, 89461863, 268385589, 805156767]

約数ペア:

[(1, 805156767), (3, 268385589), (9, 89461863), (27, 29820621), (81, 9940207), (457, 1761831), (1371, 587277), (4113, 195759), (12339, 65253), (21751, 37017)]