12820437

素因数分解:

$3^5\times 7^1\times {\mathrm{7537}}^1$

素因数の和:7559

約数の個数: 24

約数和(自身を含む): 21950656

約数和(自身を除く): 9130219

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 7537, 22611, 52759, 67833, 158277, 203499, 474831, 610497, 1424493, 1831491, 4273479, 12820437]

約数ペア:

[(1, 12820437), (3, 4273479), (7, 1831491), (9, 1424493), (21, 610497), (27, 474831), (63, 203499), (81, 158277), (189, 67833), (243, 52759), (567, 22611), (1701, 7537)]