28561329

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6653}}^1$

素因数の和:6718

約数の個数: 20

約数和(自身を含む): 43477236

約数和(自身を除く): 14915907

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6653, 19959, 59877, 179631, 352609, 538893, 1057827, 3173481, 9520443, 28561329]

約数ペア:

[(1, 28561329), (3, 9520443), (9, 3173481), (27, 1057827), (53, 538893), (81, 352609), (159, 179631), (477, 59877), (1431, 19959), (4293, 6653)]