221512317

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{298937}}^1$

素因数の和:298972

約数の個数: 16

約数和(自身を含む): 334810560

約数和(自身を除く): 113298243

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 298937, 896811, 3886181, 5679803, 11658543, 17039409, 73837439, 221512317]

約数ペア:

[(1, 221512317), (3, 73837439), (13, 17039409), (19, 11658543), (39, 5679803), (57, 3886181), (247, 896811), (741, 298937)]