27782229

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 40310784

約数和(自身を除く): 12528555

約数列:

[1, 3, 23, 53, 69, 71, 107, 159, 213, 321, 1219, 1633, 2461, 3657, 3763, 4899, 5671, 7383, 7597, 11289, 17013, 22791, 86549, 130433, 174731, 259647, 391299, 402641, 524193, 1207923, 9260743, 27782229]

約数ペア:

[(1, 27782229), (3, 9260743), (23, 1207923), (53, 524193), (69, 402641), (71, 391299), (107, 259647), (159, 174731), (213, 130433), (321, 86549), (1219, 22791), (1633, 17013), (2461, 11289), (3657, 7597), (3763, 7383), (4899, 5671)]