289043769

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{193859}}^1$

素因数の和:193940

約数の個数: 16

約数和(自身を含む): 446653440

約数和(自身を除く): 157609671

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 193859, 581577, 1357013, 4071039, 13763989, 41291967, 96347923, 289043769]

約数ペア:

[(1, 289043769), (3, 96347923), (7, 41291967), (21, 13763989), (71, 4071039), (213, 1357013), (497, 581577), (1491, 193859)]