210392217

素因数分解:

$3^2\times 7^1\times {\mathrm{1783}}^1\times {\mathrm{1873}}^1$

素因数の和:3669

約数の個数: 24

約数和(自身を含む): 347694464

約数和(自身を除く): 137302247

約数列:

[1, 3, 7, 9, 21, 63, 1783, 1873, 5349, 5619, 12481, 13111, 16047, 16857, 37443, 39333, 112329, 117999, 3339559, 10018677, 23376913, 30056031, 70130739, 210392217]

約数ペア:

[(1, 210392217), (3, 70130739), (7, 30056031), (9, 23376913), (21, 10018677), (63, 3339559), (1783, 117999), (1873, 112329), (5349, 39333), (5619, 37443), (12481, 16857), (13111, 16047)]