28520877

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 47683584

約数和(自身を除く): 19162707

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 311, 397, 933, 1191, 2177, 2779, 3421, 4367, 6531, 8337, 10263, 13101, 23947, 30569, 71841, 91707, 123467, 370401, 864269, 1358137, 2592807, 4074411, 9506959, 28520877]

約数ペア:

[(1, 28520877), (3, 9506959), (7, 4074411), (11, 2592807), (21, 1358137), (33, 864269), (77, 370401), (231, 123467), (311, 91707), (397, 71841), (933, 30569), (1191, 23947), (2177, 13101), (2779, 10263), (3421, 8337), (4367, 6531)]