238156947

素因数分解:

$3^2\times 7^1\times {\mathrm{1459}}^1\times {\mathrm{2591}}^1$

素因数の和:4063

約数の個数: 24

約数和(自身を含む): 393569280

約数和(自身を除く): 155412333

約数列:

[1, 3, 7, 9, 21, 63, 1459, 2591, 4377, 7773, 10213, 13131, 18137, 23319, 30639, 54411, 91917, 163233, 3780269, 11340807, 26461883, 34022421, 79385649, 238156947]

約数ペア:

[(1, 238156947), (3, 79385649), (7, 34022421), (9, 26461883), (21, 11340807), (63, 3780269), (1459, 163233), (2591, 91917), (4377, 54411), (7773, 30639), (10213, 23319), (13131, 18137)]