261569281761

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{439}}^1\times {\mathrm{932441}}^1$

素因数の和:932957

約数の個数: 24

約数和(自身を含む): 384016913280

約数和(自身を除く): 122447631519

約数列:

[1, 3, 9, 71, 213, 439, 639, 1317, 3951, 31169, 93507, 280521, 932441, 2797323, 8391969, 66203311, 198609933, 409341599, 595829799, 1228024797, 3684074391, 29063253529, 87189760587, 261569281761]

約数ペア:

[(1, 261569281761), (3, 87189760587), (9, 29063253529), (71, 3684074391), (213, 1228024797), (439, 595829799), (639, 409341599), (1317, 198609933), (3951, 66203311), (31169, 8391969), (93507, 2797323), (280521, 932441)]