13991757

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 21159936

約数和(自身を除く): 7168179

約数列:

[1, 3, 13, 31, 39, 71, 93, 163, 213, 403, 489, 923, 1209, 2119, 2201, 2769, 5053, 6357, 6603, 11573, 15159, 28613, 34719, 65689, 85839, 150449, 197067, 358763, 451347, 1076289, 4663919, 13991757]

約数ペア:

[(1, 13991757), (3, 4663919), (13, 1076289), (31, 451347), (39, 358763), (71, 197067), (93, 150449), (163, 85839), (213, 65689), (403, 34719), (489, 28613), (923, 15159), (1209, 11573), (2119, 6603), (2201, 6357), (2769, 5053)]