220323321

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{6311}}^1$

素因数の和:6754

約数の個数: 20

約数和(自身を含む): 329940864

約数和(自身を除く): 109617543

約数列:

[1, 3, 9, 27, 81, 431, 1293, 3879, 6311, 11637, 18933, 34911, 56799, 170397, 511191, 2720041, 8160123, 24480369, 73441107, 220323321]

約数ペア:

[(1, 220323321), (3, 73441107), (9, 24480369), (27, 8160123), (81, 2720041), (431, 511191), (1293, 170397), (3879, 56799), (6311, 34911), (11637, 18933)]