28981215

素因数分解:

$3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{1061}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 50364288

約数和(自身を除く): 21383073

約数列:

[1, 3, 5, 9, 15, 45, 607, 1061, 1821, 3035, 3183, 5305, 5463, 9105, 9549, 15915, 27315, 47745, 644027, 1932081, 3220135, 5796243, 9660405, 28981215]

約数ペア:

[(1, 28981215), (3, 9660405), (5, 5796243), (9, 3220135), (15, 1932081), (45, 644027), (607, 47745), (1061, 27315), (1821, 15915), (3035, 9549), (3183, 9105), (5305, 5463)]