2166129

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 3741440

約数和(自身を除く): 1575311

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 157, 189, 219, 471, 511, 657, 1099, 1413, 1533, 1971, 3297, 4239, 4599, 9891, 11461, 13797, 29673, 34383, 80227, 103149, 240681, 309447, 722043, 2166129]

約数ペア:

[(1, 2166129), (3, 722043), (7, 309447), (9, 240681), (21, 103149), (27, 80227), (63, 34383), (73, 29673), (157, 13797), (189, 11461), (219, 9891), (471, 4599), (511, 4239), (657, 3297), (1099, 1971), (1413, 1533)]