28546749

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 55756800

約数和(自身を除く): 27210051

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 33, 63, 69, 77, 81, 99, 161, 189, 199, 207, 231, 253, 297, 483, 567, 597, 621, 693, 759, 891, 1393, 1449, 1771, 1791, 1863, 2079, 2189, 2277, 4179, 4347, 4577, 5313, 5373, 6237, 6567, 6831, 12537, 13041, 13731, 15323, 15939, 16119, 19701, 20493, 32039, 37611, 41193, 45969, 47817, 50347, 59103, 96117, 112833, 123579, 137907, 143451, 151041, 177309, 288351, 352429, 370737, 413721, 453123, 865053, 1057287, 1241163, 1359369, 2595159, 3171861, 4078107, 9515583, 28546749]

約数ペア:

[(1, 28546749), (3, 9515583), (7, 4078107), (9, 3171861), (11, 2595159), (21, 1359369), (23, 1241163), (27, 1057287), (33, 865053), (63, 453123), (69, 413721), (77, 370737), (81, 352429), (99, 288351), (161, 177309), (189, 151041), (199, 143451), (207, 137907), (231, 123579), (253, 112833), (297, 96117), (483, 59103), (567, 50347), (597, 47817), (621, 45969), (693, 41193), (759, 37611), (891, 32039), (1393, 20493), (1449, 19701), (1771, 16119), (1791, 15939), (1863, 15323), (2079, 13731), (2189, 13041), (2277, 12537), (4179, 6831), (4347, 6567), (4577, 6237), (5313, 5373)]