2154159

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 3674112

約数和(自身を除く): 1519953

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1103, 1953, 3309, 7721, 9927, 23163, 34193, 69489, 102579, 239351, 307737, 718053, 2154159]

約数ペア:

[(1, 2154159), (3, 718053), (7, 307737), (9, 239351), (21, 102579), (31, 69489), (63, 34193), (93, 23163), (217, 9927), (279, 7721), (651, 3309), (1103, 1953)]