66865905

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1543}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 121061952

約数和(自身を除く): 54196047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 535, 963, 1543, 1605, 2889, 4629, 4815, 7715, 8667, 13887, 14445, 23145, 41661, 43335, 69435, 124983, 165101, 208305, 495303, 624915, 825505, 1485909, 2476515, 4457727, 7429545, 13373181, 22288635, 66865905]

約数ペア:

[(1, 66865905), (3, 22288635), (5, 13373181), (9, 7429545), (15, 4457727), (27, 2476515), (45, 1485909), (81, 825505), (107, 624915), (135, 495303), (321, 208305), (405, 165101), (535, 124983), (963, 69435), (1543, 43335), (1605, 41661), (2889, 23145), (4629, 14445), (4815, 13887), (7715, 8667)]