42138549

素因数分解:

$3^4\times {\mathrm{673}}^1\times {\mathrm{773}}^1$

素因数の和:1458

約数の個数: 20

約数和(自身を含む): 63122796

約数和(自身を除く): 20984247

約数列:

[1, 3, 9, 27, 81, 673, 773, 2019, 2319, 6057, 6957, 18171, 20871, 54513, 62613, 520229, 1560687, 4682061, 14046183, 42138549]

約数ペア:

[(1, 42138549), (3, 14046183), (9, 4682061), (27, 1560687), (81, 520229), (673, 62613), (773, 54513), (2019, 20871), (2319, 18171), (6057, 6957)]