123080905

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1\times {\mathrm{443}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 149333184

約数和(自身を除く): 26252279

約数列:

[1, 5, 181, 307, 443, 905, 1535, 2215, 55567, 80183, 136001, 277835, 400915, 680005, 24616181, 123080905]

約数ペア:

[(1, 123080905), (5, 24616181), (181, 680005), (307, 400915), (443, 277835), (905, 136001), (1535, 80183), (2215, 55567)]