28527921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1361}}^1$

素因数の和:1521

約数の個数: 24

約数和(自身を含む): 43981704

約数和(自身を除く): 15453783

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 1361, 2329, 4083, 6987, 12249, 20961, 23137, 69411, 186457, 208233, 559371, 1678113, 3169769, 9509307, 28527921]

約数ペア:

[(1, 28527921), (3, 9509307), (9, 3169769), (17, 1678113), (51, 559371), (137, 208233), (153, 186457), (411, 69411), (1233, 23137), (1361, 20961), (2329, 12249), (4083, 6987)]