25389651

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 40910848

約数和(自身を除く): 15521197

約数列:

[1, 3, 7, 21, 31, 43, 93, 129, 217, 301, 651, 903, 907, 1333, 2721, 3999, 6349, 9331, 19047, 27993, 28117, 39001, 84351, 117003, 196819, 273007, 590457, 819021, 1209031, 3627093, 8463217, 25389651]

約数ペア:

[(1, 25389651), (3, 8463217), (7, 3627093), (21, 1209031), (31, 819021), (43, 590457), (93, 273007), (129, 196819), (217, 117003), (301, 84351), (651, 39001), (903, 28117), (907, 27993), (1333, 19047), (2721, 9331), (3999, 6349)]