205966467

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{3299}}^1$

素因数の和:4303

約数の個数: 24

約数和(自身を含む): 340454400

約数和(自身を除く): 134487933

約数列:

[1, 3, 7, 9, 21, 63, 991, 2973, 3299, 6937, 8919, 9897, 20811, 23093, 29691, 62433, 69279, 207837, 3269309, 9807927, 22885163, 29423781, 68655489, 205966467]

約数ペア:

[(1, 205966467), (3, 68655489), (7, 29423781), (9, 22885163), (21, 9807927), (63, 3269309), (991, 207837), (2973, 69279), (3299, 62433), (6937, 29691), (8919, 23093), (9897, 20811)]