27791991

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20183}}^1$

素因数の和:20212

約数の個数: 20

約数和(自身を含む): 43960752

約数和(自身を除く): 16168761

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20183, 60549, 181647, 343111, 544941, 1029333, 1634823, 3087999, 9263997, 27791991]

約数ペア:

[(1, 27791991), (3, 9263997), (9, 3087999), (17, 1634823), (27, 1029333), (51, 544941), (81, 343111), (153, 181647), (459, 60549), (1377, 20183)]