12967983

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4787}}^1$

素因数の和:4843

約数の個数: 24

約数和(自身を含む): 21909888

約数和(自身を除く): 8941905

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 4787, 14361, 33509, 43083, 100527, 205841, 301581, 617523, 1440887, 1852569, 4322661, 12967983]

約数ペア:

[(1, 12967983), (3, 4322661), (7, 1852569), (9, 1440887), (21, 617523), (43, 301581), (63, 205841), (129, 100527), (301, 43083), (387, 33509), (903, 14361), (2709, 4787)]