128615283

素因数分解:

$3^8\times {\mathrm{19603}}^1$

素因数の和:19627

約数の個数: 18

約数和(自身を含む): 192922964

約数和(自身を除く): 64307681

約数列:

[1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19603, 58809, 176427, 529281, 1587843, 4763529, 14290587, 42871761, 128615283]

約数ペア:

[(1, 128615283), (3, 42871761), (9, 14290587), (27, 4763529), (81, 1587843), (243, 529281), (729, 176427), (2187, 58809), (6561, 19603)]