12784635

素因数分解:

$3^4\times 5^1\times {\mathrm{31567}}^1$

素因数の和:31584

約数の個数: 20

約数和(自身を含む): 22918368

約数和(自身を除く): 10133733

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31567, 94701, 157835, 284103, 473505, 852309, 1420515, 2556927, 4261545, 12784635]

約数ペア:

[(1, 12784635), (3, 4261545), (5, 2556927), (9, 1420515), (15, 852309), (27, 473505), (45, 284103), (81, 157835), (135, 94701), (405, 31567)]