2018178099

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{25981}}^1$

素因数の和:26137

約数の個数: 40

約数和(自身を含む): 3470779488

約数和(自身を除く): 1452601389

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 411, 567, 959, 1233, 2877, 3699, 8631, 11097, 25893, 25981, 77679, 77943, 181867, 233829, 545601, 701487, 1636803, 2104461, 3559397, 4910409, 10678191, 14731227, 24915779, 32034573, 74747337, 96103719, 224242011, 288311157, 672726033, 2018178099]

約数ペア:

[(1, 2018178099), (3, 672726033), (7, 288311157), (9, 224242011), (21, 96103719), (27, 74747337), (63, 32034573), (81, 24915779), (137, 14731227), (189, 10678191), (411, 4910409), (567, 3559397), (959, 2104461), (1233, 1636803), (2877, 701487), (3699, 545601), (8631, 233829), (11097, 181867), (25893, 77943), (25981, 77679)]