12820815

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13567}}^1$

素因数の和:13588

約数の個数: 32

約数和(自身を含む): 26050560

約数和(自身を除く): 13229745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 13567, 40701, 67835, 94969, 122103, 203505, 284907, 366309, 474845, 610515, 854721, 1424535, 1831545, 2564163, 4273605, 12820815]

約数ペア:

[(1, 12820815), (3, 4273605), (5, 2564163), (7, 1831545), (9, 1424535), (15, 854721), (21, 610515), (27, 474845), (35, 366309), (45, 284907), (63, 203505), (105, 122103), (135, 94969), (189, 67835), (315, 40701), (945, 13567)]