81289953

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{41243}}^1$

素因数の和:41325

約数の個数: 16

約数和(自身を含む): 122082240

約数和(自身を除く): 40792287

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 41243, 123729, 371187, 1113561, 3010739, 9032217, 27096651, 81289953]

約数ペア:

[(1, 81289953), (3, 27096651), (9, 9032217), (27, 3010739), (73, 1113561), (219, 371187), (657, 123729), (1971, 41243)]