28965321

素因数分解:

$3^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{853}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 53289600

約数和(自身を除く): 24324279

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 343, 441, 539, 693, 853, 1029, 1617, 2559, 3087, 3773, 4851, 5971, 7677, 9383, 11319, 17913, 28149, 33957, 41797, 53739, 65681, 84447, 125391, 197043, 292579, 376173, 459767, 591129, 877737, 1379301, 2633211, 3218369, 4137903, 9655107, 28965321]

約数ペア:

[(1, 28965321), (3, 9655107), (7, 4137903), (9, 3218369), (11, 2633211), (21, 1379301), (33, 877737), (49, 591129), (63, 459767), (77, 376173), (99, 292579), (147, 197043), (231, 125391), (343, 84447), (441, 65681), (539, 53739), (693, 41797), (853, 33957), (1029, 28149), (1617, 17913), (2559, 11319), (3087, 9383), (3773, 7677), (4851, 5971)]