28915785

素因数分解:

$3^6\times 5^1\times {\mathrm{7933}}^1$

素因数の和:7956

約数の個数: 28

約数和(自身を含む): 52031172

約数和(自身を除く): 23115387

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7933, 23799, 39665, 71397, 118995, 214191, 356985, 642573, 1070955, 1927719, 3212865, 5783157, 9638595, 28915785]

約数ペア:

[(1, 28915785), (3, 9638595), (5, 5783157), (9, 3212865), (15, 1927719), (27, 1070955), (45, 642573), (81, 356985), (135, 214191), (243, 118995), (405, 71397), (729, 39665), (1215, 23799), (3645, 7933)]