81571321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4447}}^1$

素因数の和:4560

約数の個数: 16

約数和(自身を含む): 94155264

約数和(自身を除く): 12583943

約数列:

[1, 13, 17, 83, 221, 1079, 1411, 4447, 18343, 57811, 75599, 369101, 982787, 4798313, 6274717, 81571321]

約数ペア:

[(1, 81571321), (13, 6274717), (17, 4798313), (83, 982787), (221, 369101), (1079, 75599), (1411, 57811), (4447, 18343)]