201912963

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131711}}^1$

素因数の和:131794

約数の個数: 16

約数和(自身を含む): 311894016

約数和(自身を除く): 109981053

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 131711, 395133, 921977, 2765931, 9614903, 28844709, 67304321, 201912963]

約数ペア:

[(1, 201912963), (3, 67304321), (7, 28844709), (21, 9614903), (73, 2765931), (219, 921977), (511, 395133), (1533, 131711)]