28007973

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14341}}^1$

素因数の和:14385

約数の個数: 24

約数和(自身を含む): 47730176

約数和(自身を除く): 19722203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14341, 43023, 100387, 129069, 301161, 444571, 903483, 1333713, 3111997, 4001139, 9335991, 28007973]

約数ペア:

[(1, 28007973), (3, 9335991), (7, 4001139), (9, 3111997), (21, 1333713), (31, 903483), (63, 444571), (93, 301161), (217, 129069), (279, 100387), (651, 43023), (1953, 14341)]