1644242571

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{189713}}^1$

素因数の和:189832

約数の個数: 20

約数和(自身を含む): 2479182552

約数和(自身を除く): 834939981

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 189713, 569139, 1707417, 5122251, 15366753, 20299291, 60897873, 182693619, 548080857, 1644242571]

約数ペア:

[(1, 1644242571), (3, 548080857), (9, 182693619), (27, 60897873), (81, 20299291), (107, 15366753), (321, 5122251), (963, 1707417), (2889, 569139), (8667, 189713)]