1099989

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 1782144

約数和(自身を除く): 682155

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 271, 369, 451, 813, 1353, 2439, 2981, 4059, 8943, 11111, 26829, 33333, 99999, 122221, 366663, 1099989]

約数ペア:

[(1, 1099989), (3, 366663), (9, 122221), (11, 99999), (33, 33333), (41, 26829), (99, 11111), (123, 8943), (271, 4059), (369, 2981), (451, 2439), (813, 1353)]