54838215

素因数分解:

$3^4\times 5^1\times {\mathrm{135403}}^1$

素因数の和:135420

約数の個数: 20

約数和(自身を含む): 98303304

約数和(自身を除く): 43465089

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 135403, 406209, 677015, 1218627, 2031045, 3655881, 6093135, 10967643, 18279405, 54838215]

約数ペア:

[(1, 54838215), (3, 18279405), (5, 10967643), (9, 6093135), (15, 3655881), (27, 2031045), (45, 1218627), (81, 677015), (135, 406209), (405, 135403)]