28505087163

素因数分解:

$3^3\times 7^1\times {\mathrm{179}}^1\times {\mathrm{359}}^1\times {\mathrm{2347}}^1$

素因数の和:2901

約数の個数: 64

約数和(自身を含む): 48688128000

約数和(自身を除く): 20183040837

約数列:

[1, 3, 7, 9, 21, 27, 63, 179, 189, 359, 537, 1077, 1253, 1611, 2347, 2513, 3231, 3759, 4833, 7041, 7539, 9693, 11277, 16429, 21123, 22617, 33831, 49287, 63369, 64261, 67851, 147861, 192783, 420113, 443583, 449827, 578349, 842573, 1260339, 1349481, 1735047, 2527719, 2940791, 3781017, 4048443, 5898011, 7583157, 8822373, 11343051, 12145329, 17694033, 22749471, 26467119, 53082099, 79401357, 150820567, 159246297, 452461701, 1055743969, 1357385103, 3167231907, 4072155309, 9501695721, 28505087163]

約数ペア:

[(1, 28505087163), (3, 9501695721), (7, 4072155309), (9, 3167231907), (21, 1357385103), (27, 1055743969), (63, 452461701), (179, 159246297), (189, 150820567), (359, 79401357), (537, 53082099), (1077, 26467119), (1253, 22749471), (1611, 17694033), (2347, 12145329), (2513, 11343051), (3231, 8822373), (3759, 7583157), (4833, 5898011), (7041, 4048443), (7539, 3781017), (9693, 2940791), (11277, 2527719), (16429, 1735047), (21123, 1349481), (22617, 1260339), (33831, 842573), (49287, 578349), (63369, 449827), (64261, 443583), (67851, 420113), (147861, 192783)]