25789401

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1314

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 16512039

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 213, 297, 639, 781, 1223, 1917, 2343, 3669, 7029, 11007, 13453, 21087, 33021, 40359, 86833, 121077, 260499, 363231, 781497, 955163, 2344491, 2865489, 8596467, 25789401]

約数ペア:

[(1, 25789401), (3, 8596467), (9, 2865489), (11, 2344491), (27, 955163), (33, 781497), (71, 363231), (99, 260499), (213, 121077), (297, 86833), (639, 40359), (781, 33021), (1223, 21087), (1917, 13453), (2343, 11007), (3669, 7029)]