15380985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21817}}^1$

素因数の和:21872

約数の個数: 16

約数和(自身を含む): 25134336

約数和(自身を除く): 9753351

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 21817, 65451, 109085, 327255, 1025399, 3076197, 5126995, 15380985]

約数ペア:

[(1, 15380985), (3, 5126995), (5, 3076197), (15, 1025399), (47, 327255), (141, 109085), (235, 65451), (705, 21817)]