15855291231

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{72481}}^1$

素因数の和:72647

約数の個数: 32

約数和(自身を含む): 23379793920

約数和(自身を除く): 7524502689

約数列:

[1, 3, 13, 39, 71, 79, 213, 237, 923, 1027, 2769, 3081, 5609, 16827, 72481, 72917, 217443, 218751, 942253, 2826759, 5146151, 5725999, 15438453, 17177997, 66899963, 74437987, 200699889, 223313961, 406545929, 1219637787, 5285097077, 15855291231]

約数ペア:

[(1, 15855291231), (3, 5285097077), (13, 1219637787), (39, 406545929), (71, 223313961), (79, 200699889), (213, 74437987), (237, 66899963), (923, 17177997), (1027, 15438453), (2769, 5725999), (3081, 5146151), (5609, 2826759), (16827, 942253), (72481, 218751), (72917, 217443)]