128014761

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{320839}}^1$

素因数の和:320868

約数の個数: 16

約数和(自身を含む): 205337600

約数和(自身を除く): 77322839

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 320839, 962517, 2245873, 6095941, 6737619, 18287823, 42671587, 128014761]

約数ペア:

[(1, 128014761), (3, 42671587), (7, 18287823), (19, 6737619), (21, 6095941), (57, 2245873), (133, 962517), (399, 320839)]