31887427

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1063

約数の個数: 24

約数和(自身を含む): 39923280

約数和(自身を除く): 8035853

約数列:

[1, 11, 13, 17, 143, 169, 187, 221, 1009, 1859, 2431, 2873, 11099, 13117, 17153, 31603, 144287, 170521, 188683, 222989, 1875731, 2452879, 2898857, 31887427]

約数ペア:

[(1, 31887427), (11, 2898857), (13, 2452879), (17, 1875731), (143, 222989), (169, 188683), (187, 170521), (221, 144287), (1009, 31603), (1859, 17153), (2431, 13117), (2873, 11099)]