289753569

素因数分解:

$3^2\times 7^1\times {\mathrm{2027}}^1\times {\mathrm{2269}}^1$

素因数の和:4309

約数の個数: 24

約数和(自身を含む): 478770240

約数和(自身を除く): 189016671

約数列:

[1, 3, 7, 9, 21, 63, 2027, 2269, 6081, 6807, 14189, 15883, 18243, 20421, 42567, 47649, 127701, 142947, 4599263, 13797789, 32194841, 41393367, 96584523, 289753569]

約数ペア:

[(1, 289753569), (3, 96584523), (7, 41393367), (9, 32194841), (21, 13797789), (63, 4599263), (2027, 142947), (2269, 127701), (6081, 47649), (6807, 42567), (14189, 20421), (15883, 18243)]