28979181

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 25763859

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 53, 63, 77, 99, 159, 189, 231, 263, 297, 371, 477, 583, 693, 789, 1113, 1431, 1749, 1841, 2079, 2367, 2893, 3339, 4081, 5247, 5523, 7101, 8679, 10017, 12243, 13939, 15741, 16569, 20251, 26037, 36729, 41817, 49707, 60753, 78111, 97573, 110187, 125451, 153329, 182259, 292719, 376353, 459987, 546777, 878157, 1073303, 1379961, 2634471, 3219909, 4139883, 9659727, 28979181]

約数ペア:

[(1, 28979181), (3, 9659727), (7, 4139883), (9, 3219909), (11, 2634471), (21, 1379961), (27, 1073303), (33, 878157), (53, 546777), (63, 459987), (77, 376353), (99, 292719), (159, 182259), (189, 153329), (231, 125451), (263, 110187), (297, 97573), (371, 78111), (477, 60753), (583, 49707), (693, 41817), (789, 36729), (1113, 26037), (1431, 20251), (1749, 16569), (1841, 15741), (2079, 13939), (2367, 12243), (2893, 10017), (3339, 8679), (4081, 7101), (5247, 5523)]