27780389

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1021}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 35908992

約数和(自身を除く): 8128603

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 1021, 1183, 2093, 3887, 7147, 13273, 23483, 27209, 92911, 164381, 172549, 305279, 1207843, 2136953, 3968627, 27780389]

約数ペア:

[(1, 27780389), (7, 3968627), (13, 2136953), (23, 1207843), (91, 305279), (161, 172549), (169, 164381), (299, 92911), (1021, 27209), (1183, 23483), (2093, 13273), (3887, 7147)]