201782049

素因数分解:

$3^1\times 7^2\times {\mathrm{1372667}}^1$

素因数の和:1372684

約数の個数: 12

約数和(自身を含む): 312968304

約数和(自身を除く): 111186255

約数列:

[1, 3, 7, 21, 49, 147, 1372667, 4118001, 9608669, 28826007, 67260683, 201782049]

約数ペア:

[(1, 201782049), (3, 67260683), (7, 28826007), (21, 9608669), (49, 4118001), (147, 1372667)]