2019449961

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{280129}}^1$

素因数の和:280230

約数の個数: 20

約数和(自身を含む): 3050615700

約数和(自身を除く): 1031165739

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 280129, 840387, 2521161, 7563483, 22690449, 24931481, 74794443, 224383329, 673149987, 2019449961]

約数ペア:

[(1, 2019449961), (3, 673149987), (9, 224383329), (27, 74794443), (81, 24931481), (89, 22690449), (267, 7563483), (801, 2521161), (2403, 840387), (7209, 280129)]