28210791

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{22769}}^1$

素因数の和:22838

約数の個数: 16

約数和(自身を含む): 43718400

約数和(自身を除く): 15507609

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 22769, 68307, 159383, 478149, 1343371, 4030113, 9403597, 28210791]

約数ペア:

[(1, 28210791), (3, 9403597), (7, 4030113), (21, 1343371), (59, 478149), (177, 159383), (413, 68307), (1239, 22769)]