389870937

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{8669}}^1$

素因数の和:8957

約数の個数: 24

約数和(自身を含む): 595108800

約数和(自身を除く): 205237863

約数列:

[1, 3, 9, 19, 57, 171, 263, 789, 2367, 4997, 8669, 14991, 26007, 44973, 78021, 164711, 494133, 1482399, 2279947, 6839841, 20519523, 43318993, 129956979, 389870937]

約数ペア:

[(1, 389870937), (3, 129956979), (9, 43318993), (19, 20519523), (57, 6839841), (171, 2279947), (263, 1482399), (789, 494133), (2367, 164711), (4997, 78021), (8669, 44973), (14991, 26007)]