72172991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:395

約数の個数: 24

約数和(自身を含む): 83349504

約数和(自身を除く): 11176513

約数列:

[1, 11, 31, 71, 121, 271, 341, 781, 2201, 2981, 3751, 8401, 8591, 19241, 24211, 32791, 92411, 211651, 266321, 596471, 1016521, 2328161, 6561181, 72172991]

約数ペア:

[(1, 72172991), (11, 6561181), (31, 2328161), (71, 1016521), (121, 596471), (271, 266321), (341, 211651), (781, 92411), (2201, 32791), (2981, 24211), (3751, 19241), (8401, 8591)]