25823205

素因数分解:

$3^4\times 5^1\times {\mathrm{63761}}^1$

素因数の和:63778

約数の個数: 20

約数和(自身を含む): 46291212

約数和(自身を除く): 20468007

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 63761, 191283, 318805, 573849, 956415, 1721547, 2869245, 5164641, 8607735, 25823205]

約数ペア:

[(1, 25823205), (3, 8607735), (5, 5164641), (9, 2869245), (15, 1721547), (27, 956415), (45, 573849), (81, 318805), (135, 191283), (405, 63761)]