128481519

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{3343}}^1$

素因数の和:3926

約数の個数: 16

約数和(自身を含む): 179131392

約数和(自身を除く): 50649873

約数列:

[1, 3, 23, 69, 557, 1671, 3343, 10029, 12811, 38433, 76889, 230667, 1862051, 5586153, 42827173, 128481519]

約数ペア:

[(1, 128481519), (3, 42827173), (23, 5586153), (69, 1862051), (557, 230667), (1671, 76889), (3343, 38433), (10029, 12811)]