28036215

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14489}}^1$

素因数の和:14543

約数の個数: 24

約数和(自身を含む): 49729680

約数和(自身を除く): 21693465

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14489, 43467, 72445, 130401, 217335, 623027, 652005, 1869081, 3115135, 5607243, 9345405, 28036215]

約数ペア:

[(1, 28036215), (3, 9345405), (5, 5607243), (9, 3115135), (15, 1869081), (43, 652005), (45, 623027), (129, 217335), (215, 130401), (387, 72445), (645, 43467), (1935, 14489)]