27638961

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 44126208

約数和(自身を除く): 16487247

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 683, 861, 987, 1927, 2049, 4781, 5781, 13489, 14343, 28003, 32101, 40467, 84009, 96303, 196021, 224707, 588063, 674121, 1316141, 3948423, 9212987, 27638961]

約数ペア:

[(1, 27638961), (3, 9212987), (7, 3948423), (21, 1316141), (41, 674121), (47, 588063), (123, 224707), (141, 196021), (287, 96303), (329, 84009), (683, 40467), (861, 32101), (987, 28003), (1927, 14343), (2049, 13489), (4781, 5781)]