258889707

素因数分解:

$3^2\times {\mathrm{523}}^1\times {\mathrm{55001}}^1$

素因数の和:55530

約数の個数: 12

約数和(自身を含む): 374673624

約数和(自身を除く): 115783917

約数列:

[1, 3, 9, 523, 1569, 4707, 55001, 165003, 495009, 28765523, 86296569, 258889707]

約数ペア:

[(1, 258889707), (3, 86296569), (9, 28765523), (523, 495009), (1569, 165003), (4707, 55001)]