15241215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1301}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 26998272

約数和(自身を除く): 11757057

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 1301, 2343, 3903, 3905, 6505, 11715, 14311, 19515, 42933, 71555, 92371, 214665, 277113, 461855, 1016081, 1385565, 3048243, 5080405, 15241215]

約数ペア:

[(1, 15241215), (3, 5080405), (5, 3048243), (11, 1385565), (15, 1016081), (33, 461855), (55, 277113), (71, 214665), (165, 92371), (213, 71555), (355, 42933), (781, 19515), (1065, 14311), (1301, 11715), (2343, 6505), (3903, 3905)]