15123297

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 25113600

約数和(自身を除く): 9990303

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1307, 1653, 3857, 3921, 9149, 11571, 24833, 27447, 37903, 74499, 113709, 173831, 265321, 521493, 720157, 795963, 2160471, 5041099, 15123297]

約数ペア:

[(1, 15123297), (3, 5041099), (7, 2160471), (19, 795963), (21, 720157), (29, 521493), (57, 265321), (87, 173831), (133, 113709), (203, 74499), (399, 37903), (551, 27447), (609, 24833), (1307, 11571), (1653, 9149), (3857, 3921)]