39968559

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{5087}}^1$

素因数の和:5196

約数の個数: 20

約数和(自身を含む): 60333504

約数和(自身を除く): 20364945

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 5087, 7857, 15261, 45783, 137349, 412047, 493439, 1480317, 4440951, 13322853, 39968559]

約数ペア:

[(1, 39968559), (3, 13322853), (9, 4440951), (27, 1480317), (81, 493439), (97, 412047), (291, 137349), (873, 45783), (2619, 15261), (5087, 7857)]