25871937

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{977}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 42938112

約数和(自身を除く): 17066175

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 273, 291, 679, 977, 1261, 2037, 2931, 3783, 6839, 8827, 12701, 20517, 26481, 38103, 88907, 94769, 266721, 284307, 663383, 1231997, 1990149, 3695991, 8623979, 25871937]

約数ペア:

[(1, 25871937), (3, 8623979), (7, 3695991), (13, 1990149), (21, 1231997), (39, 663383), (91, 284307), (97, 266721), (273, 94769), (291, 88907), (679, 38103), (977, 26481), (1261, 20517), (2037, 12701), (2931, 8827), (3783, 6839)]