55257237

素因数分解:

$3^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{2857}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 91547456

約数和(自身を除く): 36290219

約数列:

[1, 3, 7, 9, 21, 63, 307, 921, 2149, 2763, 2857, 6447, 8571, 19341, 19999, 25713, 59997, 179991, 877099, 2631297, 6139693, 7893891, 18419079, 55257237]

約数ペア:

[(1, 55257237), (3, 18419079), (7, 7893891), (9, 6139693), (21, 2631297), (63, 877099), (307, 179991), (921, 59997), (2149, 25713), (2763, 19999), (2857, 19341), (6447, 8571)]