320435493

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{26723}}^1$

素因数の和:27304

約数の個数: 16

約数和(自身を含む): 489156096

約数和(自身を除く): 168720603

約数列:

[1, 3, 7, 21, 571, 1713, 3997, 11991, 26723, 80169, 187061, 561183, 15258833, 45776499, 106811831, 320435493]

約数ペア:

[(1, 320435493), (3, 106811831), (7, 45776499), (21, 15258833), (571, 561183), (1713, 187061), (3997, 80169), (11991, 26723)]