858704409

素因数分解:

$3^6\times {\mathrm{1177921}}^1$

素因数の和:1177939

約数の個数: 14

約数和(自身を含む): 1287468746

約数和(自身を除く): 428764337

約数列:

[1, 3, 9, 27, 81, 243, 729, 1177921, 3533763, 10601289, 31803867, 95411601, 286234803, 858704409]

約数ペア:

[(1, 858704409), (3, 286234803), (9, 95411601), (27, 31803867), (81, 10601289), (243, 3533763), (729, 1177921)]