12247767

素因数分解:

$3^4\times 7^1\times {\mathrm{21601}}^1$

素因数の和:21620

約数の個数: 20

約数和(自身を含む): 20910736

約数和(自身を除く): 8662969

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 21601, 64803, 151207, 194409, 453621, 583227, 1360863, 1749681, 4082589, 12247767]

約数ペア:

[(1, 12247767), (3, 4082589), (7, 1749681), (9, 1360863), (21, 583227), (27, 453621), (63, 194409), (81, 151207), (189, 64803), (567, 21601)]