25016841

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 37340160

約数和(自身を除く): 12323319

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 509, 1143, 1527, 4581, 5461, 16383, 21887, 49149, 64643, 65661, 193929, 196983, 581787, 2779649, 8338947, 25016841]

約数ペア:

[(1, 25016841), (3, 8338947), (9, 2779649), (43, 581787), (127, 196983), (129, 193929), (381, 65661), (387, 64643), (509, 49149), (1143, 21887), (1527, 16383), (4581, 5461)]