28920639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 14797761

約数列:

[1, 3, 11, 33, 43, 89, 129, 229, 267, 473, 687, 979, 1419, 2519, 2937, 3827, 7557, 9847, 11481, 20381, 29541, 42097, 61143, 108317, 126291, 224191, 324951, 672573, 876383, 2629149, 9640213, 28920639]

約数ペア:

[(1, 28920639), (3, 9640213), (11, 2629149), (33, 876383), (43, 672573), (89, 324951), (129, 224191), (229, 126291), (267, 108317), (473, 61143), (687, 42097), (979, 29541), (1419, 20381), (2519, 11481), (2937, 9847), (3827, 7557)]