39978003

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 60712960

約数和(自身を除く): 20734957

約数列:

[1, 3, 13, 31, 39, 43, 93, 129, 403, 559, 769, 1209, 1333, 1677, 2307, 3999, 9997, 17329, 23839, 29991, 33067, 51987, 71517, 99201, 309907, 429871, 929721, 1025077, 1289613, 3075231, 13326001, 39978003]

約数ペア:

[(1, 39978003), (3, 13326001), (13, 3075231), (31, 1289613), (39, 1025077), (43, 929721), (93, 429871), (129, 309907), (403, 99201), (559, 71517), (769, 51987), (1209, 33067), (1333, 29991), (1677, 23839), (2307, 17329), (3999, 9997)]