219321531

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{170413}}^1$

素因数の和:170443

約数の個数: 24

約数和(自身を含む): 372184176

約数和(自身を除く): 152862645

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 170413, 511239, 1533717, 1874543, 2215369, 5623629, 6646107, 16870887, 19938321, 24369059, 73107177, 219321531]

約数ペア:

[(1, 219321531), (3, 73107177), (9, 24369059), (11, 19938321), (13, 16870887), (33, 6646107), (39, 5623629), (99, 2215369), (117, 1874543), (143, 1533717), (429, 511239), (1287, 170413)]