261286479

素因数分解:

$3^5\times {\mathrm{179}}^1\times {\mathrm{6007}}^1$

素因数の和:6201

約数の個数: 24

約数和(自身を含む): 393644160

約数和(自身を除く): 132357681

約数列:

[1, 3, 9, 27, 81, 179, 243, 537, 1611, 4833, 6007, 14499, 18021, 43497, 54063, 162189, 486567, 1075253, 1459701, 3225759, 9677277, 29031831, 87095493, 261286479]

約数ペア:

[(1, 261286479), (3, 87095493), (9, 29031831), (27, 9677277), (81, 3225759), (179, 1459701), (243, 1075253), (537, 486567), (1611, 162189), (4833, 54063), (6007, 43497), (14499, 18021)]