201787817

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{42961}}^1$

素因数の和:43040

約数の個数: 16

約数和(自身を含む): 255709824

約数和(自身を除く): 53922007

約数列:

[1, 7, 11, 61, 77, 427, 671, 4697, 42961, 300727, 472571, 2620621, 3307997, 18344347, 28826831, 201787817]

約数ペア:

[(1, 201787817), (7, 28826831), (11, 18344347), (61, 3307997), (77, 2620621), (427, 472571), (671, 300727), (4697, 42961)]