215687421

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1$

素因数の和:2046

約数の個数: 32

約数和(自身を含む): 329702400

約数和(自身を除く): 114014979

約数列:

[1, 3, 9, 27, 59, 71, 177, 213, 531, 639, 1593, 1907, 1917, 4189, 5721, 12567, 17163, 37701, 51489, 112513, 113103, 135397, 337539, 406191, 1012617, 1218573, 3037851, 3655719, 7988423, 23965269, 71895807, 215687421]

約数ペア:

[(1, 215687421), (3, 71895807), (9, 23965269), (27, 7988423), (59, 3655719), (71, 3037851), (177, 1218573), (213, 1012617), (531, 406191), (639, 337539), (1593, 135397), (1907, 113103), (1917, 112513), (4189, 51489), (5721, 37701), (12567, 17163)]