39890799

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{881}}^1$

素因数の和:949

約数の個数: 40

約数和(自身を含む): 65740752

約数和(自身を除く): 25849953

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 387, 559, 881, 1053, 1161, 1677, 2643, 3483, 5031, 7929, 11453, 15093, 23787, 34359, 37883, 45279, 71361, 103077, 113649, 309231, 340947, 492479, 927693, 1022841, 1477437, 3068523, 4432311, 13296933, 39890799]

約数ペア:

[(1, 39890799), (3, 13296933), (9, 4432311), (13, 3068523), (27, 1477437), (39, 1022841), (43, 927693), (81, 492479), (117, 340947), (129, 309231), (351, 113649), (387, 103077), (559, 71361), (881, 45279), (1053, 37883), (1161, 34359), (1677, 23787), (2643, 15093), (3483, 11453), (5031, 7929)]