15859215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20731}}^1$

素因数の和:20759

約数の個数: 24

約数和(自身を含む): 29107728

約数和(自身を除く): 13248513

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20731, 62193, 103655, 186579, 310965, 352427, 932895, 1057281, 1762135, 3171843, 5286405, 15859215]

約数ペア:

[(1, 15859215), (3, 5286405), (5, 3171843), (9, 1762135), (15, 1057281), (17, 932895), (45, 352427), (51, 310965), (85, 186579), (153, 103655), (255, 62193), (765, 20731)]