221433429

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29209}}^1$

素因数の和:29257

約数の個数: 24

約数和(自身を含む): 356128320

約数和(自身を除く): 134694891

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 29209, 87627, 204463, 554971, 613389, 1664913, 3884797, 10544449, 11654391, 31633347, 73811143, 221433429]

約数ペア:

[(1, 221433429), (3, 73811143), (7, 31633347), (19, 11654391), (21, 10544449), (57, 3884797), (133, 1664913), (361, 613389), (399, 554971), (1083, 204463), (2527, 87627), (7581, 29209)]