25091919

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2819}}^1$

素因数の和:2891

約数の個数: 24

約数和(自身を含む): 38712960

約数和(自身を除く): 13621041

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2819, 2967, 8457, 8901, 25371, 64837, 121217, 194511, 363651, 583533, 1090953, 2787991, 8363973, 25091919]

約数ペア:

[(1, 25091919), (3, 8363973), (9, 2787991), (23, 1090953), (43, 583533), (69, 363651), (129, 194511), (207, 121217), (387, 64837), (989, 25371), (2819, 8901), (2967, 8457)]