28392903

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1951}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 53406720

約数和(自身を除く): 25013817

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1617, 1951, 2079, 4851, 5853, 13657, 14553, 17559, 21461, 40971, 52677, 64383, 95599, 122913, 150227, 193149, 286797, 368739, 450681, 579447, 860391, 1051589, 1352043, 2581173, 3154767, 4056129, 9464301, 28392903]

約数ペア:

[(1, 28392903), (3, 9464301), (7, 4056129), (9, 3154767), (11, 2581173), (21, 1352043), (27, 1051589), (33, 860391), (49, 579447), (63, 450681), (77, 368739), (99, 286797), (147, 193149), (189, 150227), (231, 122913), (297, 95599), (441, 64383), (539, 52677), (693, 40971), (1323, 21461), (1617, 17559), (1951, 14553), (2079, 13657), (4851, 5853)]