27855639

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 22463721

約数列:

[1, 3, 7, 9, 17, 21, 31, 51, 63, 93, 119, 153, 217, 279, 357, 527, 651, 839, 1071, 1581, 1953, 2517, 3689, 4743, 5873, 7551, 11067, 14263, 17619, 26009, 33201, 42789, 52857, 78027, 99841, 128367, 182063, 234081, 299523, 442153, 546189, 898569, 1326459, 1638567, 3095071, 3979377, 9285213, 27855639]

約数ペア:

[(1, 27855639), (3, 9285213), (7, 3979377), (9, 3095071), (17, 1638567), (21, 1326459), (31, 898569), (51, 546189), (63, 442153), (93, 299523), (119, 234081), (153, 182063), (217, 128367), (279, 99841), (357, 78027), (527, 52857), (651, 42789), (839, 33201), (1071, 26009), (1581, 17619), (1953, 14263), (2517, 11067), (3689, 7551), (4743, 5873)]