8663421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 13426560

約数和(自身を除く): 4763139

約数列:

[1, 3, 13, 17, 39, 51, 73, 179, 219, 221, 537, 663, 949, 1241, 2327, 2847, 3043, 3723, 6981, 9129, 13067, 16133, 39201, 39559, 48399, 118677, 169871, 222139, 509613, 666417, 2887807, 8663421]

約数ペア:

[(1, 8663421), (3, 2887807), (13, 666417), (17, 509613), (39, 222139), (51, 169871), (73, 118677), (179, 48399), (219, 39559), (221, 39201), (537, 16133), (663, 13067), (949, 9129), (1241, 6981), (2327, 3723), (2847, 3043)]