28860027

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{23293}}^1$

素因数の和:23362

約数の個数: 16

約数和(自身を含む): 44724480

約数和(自身を除く): 15864453

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 23293, 69879, 163051, 489153, 1374287, 4122861, 9620009, 28860027]

約数ペア:

[(1, 28860027), (3, 9620009), (7, 4122861), (21, 1374287), (59, 489153), (177, 163051), (413, 69879), (1239, 23293)]