128562273

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{4057}}^1$

素因数の和:4573

約数の個数: 24

約数和(自身を含む): 212704128

約数和(自身を除く): 84141855

約数列:

[1, 3, 7, 9, 21, 63, 503, 1509, 3521, 4057, 4527, 10563, 12171, 28399, 31689, 36513, 85197, 255591, 2040671, 6122013, 14284697, 18366039, 42854091, 128562273]

約数ペア:

[(1, 128562273), (3, 42854091), (7, 18366039), (9, 14284697), (21, 6122013), (63, 2040671), (503, 255591), (1509, 85197), (3521, 36513), (4057, 31689), (4527, 28399), (10563, 12171)]