1378881

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 2333760

約数和(自身を除く): 954879

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 509, 903, 1527, 2709, 3563, 4581, 10689, 21887, 32067, 65661, 153209, 196983, 459627, 1378881]

約数ペア:

[(1, 1378881), (3, 459627), (7, 196983), (9, 153209), (21, 65661), (43, 32067), (63, 21887), (129, 10689), (301, 4581), (387, 3563), (509, 2709), (903, 1527)]