157547997

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{3719}}^1$

素因数の和:4254

約数の個数: 20

約数和(自身を含む): 235862880

約数和(自身を除く): 78314883

約数列:

[1, 3, 9, 27, 81, 523, 1569, 3719, 4707, 11157, 14121, 33471, 42363, 100413, 301239, 1945037, 5835111, 17505333, 52515999, 157547997]

約数ペア:

[(1, 157547997), (3, 52515999), (9, 17505333), (27, 5835111), (81, 1945037), (523, 301239), (1569, 100413), (3719, 42363), (4707, 33471), (11157, 14121)]