28775817

素因数分解:

$3^6\times 7^1\times {\mathrm{5639}}^1$

素因数の和:5664

約数の個数: 28

約数和(自身を含む): 49316160

約数和(自身を除く): 20540343

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 5639, 16917, 39473, 50751, 118419, 152253, 355257, 456759, 1065771, 1370277, 3197313, 4110831, 9591939, 28775817]

約数ペア:

[(1, 28775817), (3, 9591939), (7, 4110831), (9, 3197313), (21, 1370277), (27, 1065771), (63, 456759), (81, 355257), (189, 152253), (243, 118419), (567, 50751), (729, 39473), (1701, 16917), (5103, 5639)]