16855825

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 24294080

約数和(自身を除く): 7438255

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 1579, 2135, 7895, 10675, 11053, 39475, 55265, 96319, 276325, 481595, 674233, 2407975, 3371165, 16855825]

約数ペア:

[(1, 16855825), (5, 3371165), (7, 2407975), (25, 674233), (35, 481595), (61, 276325), (175, 96319), (305, 55265), (427, 39475), (1525, 11053), (1579, 10675), (2135, 7895)]