268578729

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{1109}}^1$

素因数の和:1565

約数の個数: 24

約数和(自身を含む): 394804800

約数和(自身を除く): 126226071

約数列:

[1, 3, 9, 71, 213, 379, 639, 1109, 1137, 3327, 3411, 9981, 26909, 78739, 80727, 236217, 242181, 420311, 708651, 1260933, 3782799, 29842081, 89526243, 268578729]

約数ペア:

[(1, 268578729), (3, 89526243), (9, 29842081), (71, 3782799), (213, 1260933), (379, 708651), (639, 420311), (1109, 242181), (1137, 236217), (3327, 80727), (3411, 78739), (9981, 26909)]