1287901021

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{5827}}^1$

素因数の和:6192

約数の個数: 16

約数和(自身を含む): 1430051328

約数和(自身を除く): 142150307

約数列:

[1, 11, 71, 283, 781, 3113, 5827, 20093, 64097, 221023, 413717, 1649041, 4550887, 18139451, 117081911, 1287901021]

約数ペア:

[(1, 1287901021), (11, 117081911), (71, 18139451), (283, 4550887), (781, 1649041), (3113, 413717), (5827, 221023), (20093, 64097)]