157027005

素因数分解:

$3^4\times 5^1\times {\mathrm{387721}}^1$

素因数の和:387738

約数の個数: 20

約数和(自身を含む): 281486172

約数和(自身を除く): 124459167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387721, 1163163, 1938605, 3489489, 5815815, 10468467, 17447445, 31405401, 52342335, 157027005]

約数ペア:

[(1, 157027005), (3, 52342335), (5, 31405401), (9, 17447445), (15, 10468467), (27, 5815815), (45, 3489489), (81, 1938605), (135, 1163163), (405, 387721)]