28187973

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{887}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 46033920

約数和(自身を除く): 17845947

約数列:

[1, 3, 9, 11, 27, 33, 99, 107, 297, 321, 887, 963, 1177, 2661, 2889, 3531, 7983, 9757, 10593, 23949, 29271, 31779, 87813, 94909, 263439, 284727, 854181, 1043999, 2562543, 3131997, 9395991, 28187973]

約数ペア:

[(1, 28187973), (3, 9395991), (9, 3131997), (11, 2562543), (27, 1043999), (33, 854181), (99, 284727), (107, 263439), (297, 94909), (321, 87813), (887, 31779), (963, 29271), (1177, 23949), (2661, 10593), (2889, 9757), (3531, 7983)]