211231353

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1\times {\mathrm{1973}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 285014016

約数和(自身を除く): 73782663

約数列:

[1, 3, 127, 281, 381, 843, 1973, 5919, 35687, 107061, 250571, 554413, 751713, 1663239, 70410451, 211231353]

約数ペア:

[(1, 211231353), (3, 70410451), (127, 1663239), (281, 751713), (381, 554413), (843, 250571), (1973, 107061), (5919, 35687)]