27448407

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 49820160

約数和(自身を除く): 22371753

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 997, 1197, 1311, 1449, 2991, 3059, 3933, 6979, 8973, 9177, 18943, 20937, 22931, 27531, 56829, 62811, 68793, 132601, 160517, 170487, 206379, 397803, 435689, 481551, 1193409, 1307067, 1444653, 3049823, 3921201, 9149469, 27448407]

約数ペア:

[(1, 27448407), (3, 9149469), (7, 3921201), (9, 3049823), (19, 1444653), (21, 1307067), (23, 1193409), (57, 481551), (63, 435689), (69, 397803), (133, 206379), (161, 170487), (171, 160517), (207, 132601), (399, 68793), (437, 62811), (483, 56829), (997, 27531), (1197, 22931), (1311, 20937), (1449, 18943), (2991, 9177), (3059, 8973), (3933, 6979)]