31889943

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23159}}^1$

素因数の和:23188

約数の個数: 20

約数和(自身を含む): 50442480

約数和(自身を除く): 18552537

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 23159, 69477, 208431, 393703, 625293, 1181109, 1875879, 3543327, 10629981, 31889943]

約数ペア:

[(1, 31889943), (3, 10629981), (9, 3543327), (17, 1875879), (27, 1181109), (51, 625293), (81, 393703), (153, 208431), (459, 69477), (1377, 23159)]