219902409

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{3643}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 335393760

約数和(自身を除く): 115491351

約数列:

[1, 3, 9, 19, 57, 171, 353, 1059, 3177, 3643, 6707, 10929, 20121, 32787, 60363, 69217, 207651, 622953, 1285979, 3857937, 11573811, 24433601, 73300803, 219902409]

約数ペア:

[(1, 219902409), (3, 73300803), (9, 24433601), (19, 11573811), (57, 3857937), (171, 1285979), (353, 622953), (1059, 207651), (3177, 69217), (3643, 60363), (6707, 32787), (10929, 20121)]