1025363205

素因数分解:

$3^4\times 5^1\times {\mathrm{2531761}}^1$

素因数の和:2531778

約数の個数: 20

約数和(自身を含む): 1838059212

約数和(自身を除く): 812696007

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2531761, 7595283, 12658805, 22785849, 37976415, 68357547, 113929245, 205072641, 341787735, 1025363205]

約数ペア:

[(1, 1025363205), (3, 341787735), (5, 205072641), (9, 113929245), (15, 68357547), (27, 37976415), (45, 22785849), (81, 12658805), (135, 7595283), (405, 2531761)]