31930983

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:3988

約数の個数: 32

約数和(自身を含む): 55334400

約数和(自身を除く): 23403417

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3929, 8127, 11787, 27503, 35361, 82509, 106083, 168947, 247527, 506841, 742581, 1182629, 1520523, 3547887, 4561569, 10643661, 31930983]

約数ペア:

[(1, 31930983), (3, 10643661), (7, 4561569), (9, 3547887), (21, 1520523), (27, 1182629), (43, 742581), (63, 506841), (129, 247527), (189, 168947), (301, 106083), (387, 82509), (903, 35361), (1161, 27503), (2709, 11787), (3929, 8127)]