25881471

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 48844800

約数和(自身を除く): 22963329

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 59, 63, 77, 99, 177, 189, 211, 231, 297, 413, 531, 633, 649, 693, 1239, 1477, 1593, 1899, 1947, 2079, 2321, 3717, 4431, 4543, 5697, 5841, 6963, 11151, 12449, 13293, 13629, 16247, 17523, 20889, 37347, 39879, 40887, 48741, 62667, 87143, 112041, 122661, 136939, 146223, 261429, 336123, 410817, 438669, 784287, 958573, 1232451, 2352861, 2875719, 3697353, 8627157, 25881471]

約数ペア:

[(1, 25881471), (3, 8627157), (7, 3697353), (9, 2875719), (11, 2352861), (21, 1232451), (27, 958573), (33, 784287), (59, 438669), (63, 410817), (77, 336123), (99, 261429), (177, 146223), (189, 136939), (211, 122661), (231, 112041), (297, 87143), (413, 62667), (531, 48741), (633, 40887), (649, 39879), (693, 37347), (1239, 20889), (1477, 17523), (1593, 16247), (1899, 13629), (1947, 13293), (2079, 12449), (2321, 11151), (3717, 6963), (4431, 5841), (4543, 5697)]