221428281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{15451}}^1$

素因数の和:15752

約数の個数: 16

約数和(自身を含む): 313737408

約数和(自身を除く): 92309127

約数列:

[1, 3, 17, 51, 281, 843, 4777, 14331, 15451, 46353, 262667, 788001, 4341731, 13025193, 73809427, 221428281]

約数ペア:

[(1, 221428281), (3, 73809427), (17, 13025193), (51, 4341731), (281, 788001), (843, 262667), (4777, 46353), (14331, 15451)]