87139881

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{14737}}^1$

素因数の和:14822

約数の個数: 20

約数和(自身を含む): 131964052

約数和(自身を除く): 44824171

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 14737, 44211, 132633, 397899, 1075801, 1193697, 3227403, 9682209, 29046627, 87139881]

約数ペア:

[(1, 87139881), (3, 29046627), (9, 9682209), (27, 3227403), (73, 1193697), (81, 1075801), (219, 397899), (657, 132633), (1971, 44211), (5913, 14737)]