211229397

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{277}}^1\times {\mathrm{463}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 319900160

約数和(自身を除く): 108670763

約数列:

[1, 3, 9, 27, 61, 183, 277, 463, 549, 831, 1389, 1647, 2493, 4167, 7479, 12501, 16897, 28243, 50691, 84729, 128251, 152073, 254187, 384753, 456219, 762561, 1154259, 3462777, 7823311, 23469933, 70409799, 211229397]

約数ペア:

[(1, 211229397), (3, 70409799), (9, 23469933), (27, 7823311), (61, 3462777), (183, 1154259), (277, 762561), (463, 456219), (549, 384753), (831, 254187), (1389, 152073), (1647, 128251), (2493, 84729), (4167, 50691), (7479, 28243), (12501, 16897)]