80851221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19919}}^1$

素因数の和:19977

約数の個数: 24

約数和(自身を含む): 130515840

約数和(自身を除く): 49664619

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 19919, 59757, 179271, 219109, 657327, 816679, 1971981, 2450037, 7350111, 8983469, 26950407, 80851221]

約数ペア:

[(1, 80851221), (3, 26950407), (9, 8983469), (11, 7350111), (33, 2450037), (41, 1971981), (99, 816679), (123, 657327), (369, 219109), (451, 179271), (1353, 59757), (4059, 19919)]