1280821994499

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{2381}}^1\times {\mathrm{9437447}}^1$

素因数の和:9439850

約数の個数: 16

約数和(自身を含む): 1798400090880

約数和(自身を除く): 517578096381

約数列:

[1, 3, 19, 57, 2381, 7143, 45239, 135717, 9437447, 28312341, 179311493, 537934479, 22470561307, 67411683921, 426940664833, 1280821994499]

約数ペア:

[(1, 1280821994499), (3, 426940664833), (19, 67411683921), (57, 22470561307), (2381, 537934479), (7143, 179311493), (45239, 28312341), (135717, 9437447)]