213987279

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{381439}}^1$

素因数の和:381470

約数の個数: 16

約数和(自身を含む): 329564160

約数和(自身を除く): 115576881

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 381439, 1144317, 4195829, 6484463, 12587487, 19453389, 71329093, 213987279]

約数ペア:

[(1, 213987279), (3, 71329093), (11, 19453389), (17, 12587487), (33, 6484463), (51, 4195829), (187, 1144317), (561, 381439)]