161657025

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{25969}}^1$

素因数の和:26065

約数の個数: 24

約数和(自身を含む): 270503520

約数和(自身を除く): 108846495

約数列:

[1, 3, 5, 15, 25, 75, 83, 249, 415, 1245, 2075, 6225, 25969, 77907, 129845, 389535, 649225, 1947675, 2155427, 6466281, 10777135, 32331405, 53885675, 161657025]

約数ペア:

[(1, 161657025), (3, 53885675), (5, 32331405), (15, 10777135), (25, 6466281), (75, 2155427), (83, 1947675), (249, 649225), (415, 389535), (1245, 129845), (2075, 77907), (6225, 25969)]