16884531

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{1399}}^1$

素因数の和:1560

約数の個数: 20

約数和(自身を含む): 25410000

約数和(自身を除く): 8525469

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 1399, 4023, 4197, 12069, 12591, 37773, 113319, 208451, 625353, 1876059, 5628177, 16884531]

約数ペア:

[(1, 16884531), (3, 5628177), (9, 1876059), (27, 625353), (81, 208451), (149, 113319), (447, 37773), (1341, 12591), (1399, 12069), (4023, 4197)]