28197873

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{6947}}^1$

素因数の和:7005

約数の個数: 24

約数和(自身を含む): 45523296

約数和(自身を除く): 17325423

約数列:

[1, 3, 9, 11, 33, 41, 99, 123, 369, 451, 1353, 4059, 6947, 20841, 62523, 76417, 229251, 284827, 687753, 854481, 2563443, 3133097, 9399291, 28197873]

約数ペア:

[(1, 28197873), (3, 9399291), (9, 3133097), (11, 2563443), (33, 854481), (41, 687753), (99, 284827), (123, 229251), (369, 76417), (451, 62523), (1353, 20841), (4059, 6947)]