28630161

素因数分解:

$3^2\times 7^2\times {\mathrm{64921}}^1$

素因数の和:64941

約数の個数: 18

約数和(自身を含む): 48107202

約数和(自身を除く): 19477041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 64921, 194763, 454447, 584289, 1363341, 3181129, 4090023, 9543387, 28630161]

約数ペア:

[(1, 28630161), (3, 9543387), (7, 4090023), (9, 3181129), (21, 1363341), (49, 584289), (63, 454447), (147, 194763), (441, 64921)]