27209511

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 47511360

約数和(自身を除く): 20301849

約数列:

[1, 3, 7, 9, 21, 29, 53, 63, 87, 159, 203, 261, 281, 371, 477, 609, 843, 1113, 1537, 1827, 1967, 2529, 3339, 4611, 5901, 8149, 10759, 13833, 14893, 17703, 24447, 32277, 44679, 57043, 73341, 96831, 104251, 134037, 171129, 312753, 431897, 513387, 938259, 1295691, 3023279, 3887073, 9069837, 27209511]

約数ペア:

[(1, 27209511), (3, 9069837), (7, 3887073), (9, 3023279), (21, 1295691), (29, 938259), (53, 513387), (63, 431897), (87, 312753), (159, 171129), (203, 134037), (261, 104251), (281, 96831), (371, 73341), (477, 57043), (609, 44679), (843, 32277), (1113, 24447), (1537, 17703), (1827, 14893), (1967, 13833), (2529, 10759), (3339, 8149), (4611, 5901)]